110 meters hurdles	110m hurdles
3d film	3D motion picture
3d film	3D movie
3d printing	3-D printing
400 meters hurdles	400m hurdles
50/50 burger	50/50 burger patty
a bag of tricks	{one's} bag of tricks
a bitter pill to swallow	a bitter pill
a bitter pill to swallow	a bitter pill for {sb} to (swallow|take)
a black plum is as sweet as a white one	a black plum can (easily|) match a white plum in sweetness
a black plum is as sweet as a white one	a black plum can be (just|) as sweet as a white (one|plum)
a bleating sheep loses a bite	every time the sheep bleats, it loses a mouthful
a-board	A board
above all else guard your heart for everything you do flows from it	guard your heart above all else, for it determines the course of your life
above all else guard your heart for everything you do flows from it	keep thy heart with all diligence; for out of it are the issues of life
above all else guard your heart for everything you do flows from it	keep your heart with all vigilance, for from it flow the springs of life
above board	above-board
abracadabra	abra-cadabra
abridgment	abridgement
absent-minded	absentminded
academic conference	scientific conference
academic regalia	academic dress
academy award	The Academy
acanthus	acanthi
acciaccatura	acciaccature
accompanist	accompanyist
accouter	accoutre
accouterment	accoutrement
acerbic	acerb
acetify	acetified
a chain is only as strong as its weakest link	a chain is no stronger than its weakest link
achilles' heel	Achilles heel
acidify	acidified
acid loading test	pH
acid techno	acid
acknowledgment	acknowledgement
a clean conscience makes a soft pillow	a clean conscience is a good pillow
a clean conscience makes a soft pillow	a clear conscience is a soft pillow
a clear conscience is a sure card	a clear conscience is a game changer (for sure|)
a clear conscience is a sure card	a clear conscience is an ace (in and on itself|)
a closed mind is like a closed book	a closed mind is ( just) as (good|useful) as an empty book
a creaking door hangs longest	a creaking gate hangs (the|) longest
acrobatic dance	acro dance
actinic keratosis	AK
activity theory	AT
act on	act upon
actualize	actualise
adelie penguin	Adélie penguin
adenosine triphosphate	ATP
a different kettle of fish	another kettle of fish
a disease known is half cured	to know the disease, is half the cure
ad lib	ad-lib
administrator	admin
adrenaline	adrenalin
adversity is a great schoolmaster	adversity is a good discipline
advertise	advertize
advertisement	advertizement
advertisement	advert
advertisement	ad
advertising	advertizing
aeonian	eonian
aerial hoop	aerial ring
aerial hoop	lyra
aerie	eyrie
aerie	eyry
aerie	ayrie
aerie	aery
aesthete	esthete
aesthetic	esthetic
aesthetic	æsthetic
aesthetics	esthetics
aesthetics	æsthetics
a flea in ear	a flea in the ear
a fool may earn money but it takes a wise man to keep it	a fool may make money, but a wise man should spend it
a fool may earn money but it takes a wise man to keep it	a fool may make money, but it (takes|requires) a wise man to spend it
a fool may give a wise man counsel	the fool may teach the wise man wit
a fool may throw a stone into a well which a hundred wise men can not get out	a fool may throw into a well a stone which a hundred wise men cannot pull out
a foot in the door	{one's} foot in the door
african american	African-American
african-caribbean	Afro-Caribbean
african gray	African grey
after dinner comes the reckoning	after the feast comes the reckoning
aftereffect	after-effect
aftershave	after-shave
afterward	afterwards
a full cup needs a steady hand	a full cup must be carried steadily
a full cup needs a steady hand	full cups need steady hands
agar	agar-agar
a gentle tongue is a tree of life but perverseness in it breaks the spirit	a soothing tongue is a tree of life, But perversion in it crushes the spirit
a gentle tongue is a tree of life but perverseness in it breaks the spirit	a wholesome tongue is a tree of life; but perverseness therein is a breach in the spirit
a gentle tongue is a tree of life but perverseness in it breaks the spirit	gentle words are a tree of life; a deceitful tongue crushes the spirit
a gentle tongue is a tree of life but perverseness in it breaks the spirit	the tongue that heals is a tree of life, but a devious tongue breaks the spirit
aggrandize	aggrandise
aging	ageing
agogo	agogô
agonize	agonise
agonizing	agonising
a good beginning makes a good ending	of a good beginning cometh a good end
a good beginning makes a good ending	start off on a good note to reap the benefits at the end
a good face needs no paint	(fair|good) faces need no paint
a good face needs no paint	a (good|fair) face shall need no paint
a great ship asks deep waters	great ships require deep waters
agreeable	agreable
a hundred and ten percent	110%
air a grievance	[air] {one's} grievance
airbag	air bag
airbnb	Air Bed and Breakfast
air conditioner	air-conditioner
air conditioning	A/C
air conditioning	air con
airplane	aeroplane
airtanker	air tanker
air-to-ground missile	AGM
ai specialist	artificial intelligence specialist
ajoblanco	ajo blanco
a la carte	à la carte
a la king	à la king
a la mode	à la mode
alanine transaminase	ALT
a la seconde	à la seconde
alcoholics anonymous	AA
a-level	A level
alfresco	al fresco
a lie can travel around the world while the truth is putting on its shoes	a lie can get (halfway|) around the world before the truth can get its (boots|shoes) on
a lie can travel around the world while the truth is putting on its shoes	a lie can get halfway around the world while the truth is putting on its shoes
a lie can travel around the world while the truth is putting on its shoes	a lie can travel (halfway|) around the world before the truth can get its boots on
a lie can travel around the world while the truth is putting on its shoes	a lie can travel around the world and back again while the truth is lacing up its (boots|shoes)
a lie can travel around the world while the truth is putting on its shoes	a lie can travel halfway around the world before the truth can get its shoes on
all good things come to an end	all good things (must|will|) come to an end at some point
all hands on deck	all hands to the pump
all hell break loose	all hell [is] let loose
all-in	all in
all is fish that comes to the net	all is fish that comes to {one's} net
all mouth	all mouth and no (action|substance)
all right	alright
all singing all dancing	all-singing, all-dancing
all-terrain vehicle	ATV
all year round	year round
almondine	almondine
almondine	Amandine
along the lines of	along (these|those) lines
alpenhorn	alphorn
alpenhorn	alpine horn
alternating current	AC
alternative fuel vehicle	AFV
aluminum	aluminium
aluminum	Al
aluminum foil	aluminium foil
alzheimer's disease	Alzheimer's
alzheimer's disease	Alzheimers
a man is happy when he has books but happier still when he does not need them	a man is happy when he has books, but even happier when he does not need them
a man is known by the company he keeps	tell me the company you keep and I will tell you what kind of a man you are
a man is known by the company he keeps	tell me the company you keep and I will tell you who you are
a man's home is his castle	an Englishman's home is his castle
ambiance	ambience
ambitious card	Elevator Card
ameba	amoeba
ameba	amœba
amniocentesis	amniocenteses
amok	amuck
among	amongst
ampere	A
ampere	amp
amphisbaena	amphisbaenae
amphitheater	amphitheatre
amplifier	electronic amplifier
amplifier	amp
amplitude modulation	AM
ampulla	ampullae
amygdala	amygdalae
amyotrophic lateral sclerosis	ALS
analog	analogue
analyze	analyse
anamnesis	anamneses
an apple a day keeps the doctor away	eat an apple on going to bed and you will keep the doctor from earning his bread
anelli	anelletti
anelli	anellini
anemia	anaemia
anemia	anæmia
anemic	anaemic
anemic	anæmic
an empty sack cannot stand upright	an empty (sack|bag) (will|can) never stand upright
an empty sack cannot stand upright	empty (sacks|bags) (will|can) never stand upright
an empty sack cannot stand upright	empty (sacks|bags) cannot stand upright
anesthesia	anaesthesia
anesthesia	anæsthesia
anesthesiologist	anaesthesiologist
anesthetic	anaesthetic
anesthetic	anæsthetic
anesthetist	anaesthetist
anesthetize	anaesthetize
anesthetize	anaesthetise
anesthetize	anesthetise
anesthetize	anæsthetize
aneurysm	aneurism
angelfish	angelfishes
anno domini	AD
annulus	annuli
a nod is as good as a wink to a blind horse	a nod is as good as a wink
an old man is twice a child	old men are twice children
anonymize	anonymise
anorexia nervosa	anorexia
antagonize	antagonise
antefix	antefixa
antigen-presenting cell	APC
antihelix	anti-helix
anti-lock braking system	ABS
antisocial	anti-social
antitragus	anti-tragus
anus	anus
anymore	any more
anyone who is anyone	anybody who is anybody
anyone who is anyone	everybody who is anybody
anytime	any time
aorta	aortae
aperitif	apéritif
apheresis	aphaeresis
api	API
a picture is worth a thousand words	(a|one) picture paints a thousand words
aplastic anemia	aplastic anaemia
aplastic anemia	AA
apologize	apologise
apostrophize	apostrophise
apothegm	apophthegm
appall	appal
apparatus	apparatus
appendix	appendices
appetizing	appetising
apple polisher	apple-polisher
applique	appliqué
appoggiatura	appoggiature
appointment letter	letter of appointment
apprise	apprize
approbative	approbatory
approximately	approx.
a prophet is not without honor save in his own country	a prophet is not without honour save in his own country
apropos	à propos
apropos	a propos
aqua	aquae
a question mark over	a question mark (hanging|) against {sth}
arbor	arbour
arc	arcked
arc-fault circuit interrupter	AFCI
archeological	archaeological
archeologist	archaeologist
archeologist	archæologist
archeology	archaeology
archeology	archæology
arc pair grammar	APG
ardor	ardour
area of effect	AoE
a reed before the wind lives on	reed before the wind lives on, while mighty oaks do fall
argali	araglis
argh	aargh
arise	arize
armor	armour
armor class	AC
armored	armoured
armored combat vehicle	armoured combat vehicle
armory	armoury
around the corner	round the corner
art deco	Deco
arterial blood gas test	ABG test
arterial blood gas test	arterial blood gas analysis
arteriosclerosis	arterioscleroses
artichoke green	artichoke
artifact	artefact
artificial intelligence	AI
artificial intelligence art	AI art
as a matter of fact	matter of the fact [is]
asap	ASAP
ascending cholangitis	acute cholangitis
as far as i know	AFAIK
a shut mouth catches no flies	a fly will not get into a closed mouth
a shut mouth catches no flies	into a mouth shut flies fly not
ask a favor	[ask] {sb} a favour
ask a favor	[ask] a favor of {sb}
ask a favor	[ask] a favour of {sb}
ask a silly question and get a silly answer	ask a silly question and (you|you will) get a silly answer
ask no questions and hear no lies	ask no questions (and|,) I will tell (you|) no lies
as-level	AS level
asperger's syndrome	AS
assemble	assemblé
assisted reproductive technology	ART
associate degree	associate's degree
a stick to beat with	a rod to beat {sb/sth} with
astronomical unit	AU
as you make your bed so you must lie on it	as you make your bed, you must lie upon it
as you make your bed so you must lie on it	you've made your bed, now lie on it
at a stroke	at one stroke
at bay	[stand] {sb/sth} at bay
at cross purposes	at cross-purposes
a thing begun is half done	well begun is half done
atomizer	atomiser
a tree is known by its fruit	a tree is known by its fruit and not by its leaves
a tree is known by its fruit	a tree is known by its fruit, a man by his deeds
at risk	[put] at risk
atrium	atria
attaboy	thattaboy
attach a label to	[put] a label on {sb/sth}
attache	attaché
attache case	attaché case
attache case	attaché
attagirl	attagal
attention deficit hyperactivity disorder	ADHD
attention deficit hyperactivity disorder	attention deficit disorder
attention deficit hyperactivity disorder	ADD
at the end of the game the king and the pawn go back in the same box	after the game, the king and the pawn go into the same box
audiobook	audio book
auditory processing disorder	APD
augmented reality	AR
aura	aurae
aurora	aurorae
australia	Commonwealth of Australia
australian rules football	footy
authorization	authorisation
authorize	authorise
authorized	authorised
autism spectrum disorder	ASD
autism spectrum disorder	autism
autogiro	autogyro
automated teller machine	ATM
automated teller machine	automatic teller machine
automatic activation device	AAD
automatic number plate recognition	ANPR
automatic train control	ATC
automatic train operation	ATO
automobile	auto
autonomous guided vehicle	AGV
autorickshaw	auto rickshaw
autorickshaw	auto-rickshaw
avant-garde jazz	avant-jazz
avant-garde jazz	experimental jazz
avian flu	bird flu
avian flu	chicken flu
a voice crying in the wilderness	a lone voice in the wilderness
aw	aww
away from keyboard	AFK
away game	away match
a word to the wise is sufficient	a word to the wise is all (that|) it takes
a word to the wise is sufficient	a word to the wise shall be more than enough
ax	axe
axe	axé
axilla	axillae
ayurvedic medicine	Ayurveda
baba ghanoush	baba ganoush
baba ghanoush	baba ghanouj
babygrow	babygro
baby-sit	baby-sat
bachelor of accountancy	BAcc
bachelor of accountancy	Bachelor of Accounting
bachelor of architecture	BArch
bachelor of arts	BA
bachelor of business administration	BBA
bachelor of civil law	BCL
bachelor of commerce	BCom
bachelor of computer applications	BCA
bachelor of computer science	BCS
bachelor of divinity	BD
bachelor of divinity	BDiv
bachelor of economics	BEc
bachelor of education	BEd
bachelor of engineering	BE
bachelor of engineering	BEng
bachelor of fine arts	BFA
bachelor of laws	LLB
bachelor of letters	Bachelor of Literature
bachelor of letters	BLitt
bachelor of letters	BLit
bachelor of management studies	Bachelor of Management
bachelor of management studies	BMgt
bachelor of management studies	BMgmt
bachelor of management studies	BMS
bachelor of medicine and bachelor of surgery	MBBS
bachelor of medicine and bachelor of surgery	BM BS
bachelor of medicine and bachelor of surgery	MB ChB
bachelor of medicine and bachelor of surgery	MB BCh
bachelor of medicine and bachelor of surgery	MB BChir
bachelor of music	BMus
bachelor of music	BM
bachelor of pharmacy	B Pharm
bachelor of pharmacy	PharmB
bachelor of pharmacy	BS Pharm
bachelor of pharmacy	BPharm
bachelor of philosophy	BPhil
bachelor of philosophy	BPh
bachelor of philosophy	PhB
bachelor of science	BS
bachelor of science	BSc
bachelor of science in nursing	BSN
bachelor of social work	BSW
bachelor of technology	BTech
bachelor of theology	BTh
bachelor of theology	ThB
bachelor of theology	BTheol
back catalog	back catalogue
backhanded compliment	back-handed compliment
backheel pass	back-heel pass
backheel pass	back heel pass
backpack	back pack
back-room boy	back room boy
back-room boy	backroom boy
back seat	backseat
backward	backwards
backyard	back garden
baishou dance	baishouwu
bait and switch	bait-and-switch
baitcasting	bait casting
bait hides the hook	it is the bait that (hides|covers) the hook
baklava	baclava
balance of evidence	the balance of probability
ball-flower	ballflower
ball-jointed doll	BJD
baluster	balustre
bambino	bambini
banchan	bansang
bandeau	bandeaux
bang around	bang about
bang for buck	bang for the [buck]
banjo	banjoes
banknote	bank note
banoffee pie	banoffi pie
banush	banosh
baptize	baptise
barbecue	BBQ
barbecue	barbeque
barbecue	barbie
bare bones	bare-bones
bargain for	bargain on
barramundi	barramundies
barre	barré
bar stool	bartool
baseball5	B5
base on	base upon
basic	Beginner's All-purpose Symbolic Instruction Code
basic metabolic panel	BMP
basse danse	low dance
bat on a sticky wicket	[find] {oneself} on a sticky wicket
bats in the belfry	bats in {one's} belfry
battery-farming	battery-farming
bay for blood	[bay] for {one's} blood
be-all and end-all	be all and end all
bean pod borer	bean podborer
bear in mind	[bear] {sth} in mind
bearnaise sauce	Béarnaise sauce
bear on	bear upon
beat around the bush	[beat] round the bush
be attracted	[find] {oneself} attracted to {sb}
be attracted	[find] {oneself} attracted (to|by) {sth}
beauty is only skin deep	beauty is only skin-deep
bebop	bop
be careful what you wish for	(be|) careful what you wish for, (because|) you might (just|) get it
because	'cause
because	coz
because	cos
because	'cos
because	cuz
bechamel	béchamel
bechamel sauce	béchamel sauce
becker muscular dystrophy	BMD
become friends with	[become] friends
bed and breakfast	bed-and-breakfast
bed and breakfast	b and b
bed and breakfast	B&B
bed and breakfast	BnB
bed and breakfast	B & B
bedrest	bed rest
before can say jack robinson	(faster|quicker) than {sb} (can|could) say Jack Robinson
before christ	BC
before common era	BCE
before the ink is dry	before the ink [dry]
be for naught	[come] to naught
be for the taking	[be] there for the taking
beggars cannot be choosers	beggars should be no choosers
begone	be gone
behavior	behaviour
behavioral	behavioural
behaviorism	behaviourism
behind every great man stands a woman	behind every great man there is a great woman
behind the eight ball	behind the 8 ball
behind the scenes	BTS
behoove	behove
belabor	belabour
belabor the point	belabour the point
belgium	Kingdom of Belgium
believe nothing of what you hear and only half of what you see	believe nothing you hear
be like taking candy from a baby	[be] (as|) easy as taking candy from a baby
belle epoque	belle époque
be made for each other	[be] made for {sb}
bend over backward	[bend|lean] over backwards
benefit of the doubt	BOTD
benign prostatic hyperplasia	BPH
benjamin of the family	Benjamin of {one's} family
bergere	bergère
be right back	brb
berkshire locomotive	Berkshire
bermuda shorts	Bermudas
be set against	[be] dead set against {sth}
be sleeping on the job	sleeping on the job
be slow in choosing but slower in changing	[be] slow in choosing, but slower in changing
bespoke	bespoken
best bet	{one's} best bet
best friend forever	BFF
bestseller	best-seller
best-selling	bestselling
bete	Bête
bete noire	bête noire
better a dinner of herbs than a stalled ox where hate is	better is a dinner of herbs where love is than a stalled ox and hatred therewith
better be alone than in bad company	better to be beaten than be in bad company
better part of	the (best|greater) part of {sth}
better safe than sorry	better to be safe than sorry
be up to ears in	[be] up to {one's} knees in {sth}
beware of a silent dog and still water	still water and silent dogs are to be feared
beware of a silent man and still water	be (wary|mindful) of a silent man and still water
beware of a silent man and still water	trust not still water nor a silent man
beware of greeks bearing gifts	fear the Greeks bearing gifts
bhaji	bhajia
bhelpuri	bhel puri
bibimbap	bi bim bap
bibimbap	bi bim bop
bicentenary	bicennaries
bicycle motocross	BMX
bicycle rack	bike rack
biere de garde	bière de garde
bigender	bi-gender
big fish eat little fish	big fish shall devour little fish
big-headed	bigheaded
big-mouth	big mouth
big-mouth	bigmouth
big time	big-time
big time	bigtime
bijou	bijoux
bimbo	bimboes
biographical film	biopic
biography	bio
bird's eye view	bird’s-eye view
bisexual	bi
bistre	bister
bite in the ass	[bite] {sb} in the arse
bite tongue	[bite] {one's} [lip]
black and white	B&W
black-and-white	black and white
black humor	black humour
blah blah blah	blah, blah, blah
blah blah blah	blah blah
blase	blasé
blech	bleck
blend in	blend into
blesbok	blesbuck
blind bake	blind-bake
blind man's bluff	blind man's buff
blink-and-you-miss-it	(you|)-blink-and-you-(will|)-miss-it
blitz chess	blitz
blood clot	clot
blood transfusion	transfusion
blood urea nitrogen	BUN
blow a kiss	[blow] a kiss
blow away the cobwebs	[blow|clear] the cobwebs away
blow doors off	[blow] the doors off {sb}
blowfish	blowfishes
blow out of proportion	[blow] {sth} out of all proportion
blow smoke up arse	[blow] smoke u {one's} [butt|skirt|backside|rear]
bluefish	bluefishes
blue material	ribaldry
bluish	blueish
blythe doll	Blythe
bo	bō
bocadillo	bocata
bodegon	bodegón
body camera	bodycam
body dysmorphic disorder	BDD
body mass index	BMI
bogof	buy one get one free
bogof	buy one get one
bogof	BOGO
bon appetit	bon appétit
bone marrow transplantation	BMT
bongo drum	bongo
boogeyman	bogeyman
boogeyman	boogerman
book club	bookclub
bookkeeper	book-keeper
book smart	booksmart
boom-bust cycle	boom and bust cycle
bootee	bootie
booyah	boo-yah
booyah	booya
borderline personality disorder	BPD
borek	börek
boss around	boss about
botanize	botanise
bouncy ball	rubber ball
bourree	bourrée
bovine spongiform encephalopathy	BSE
bowdlerize	bowdlerise
bow saw	bowsaw
bow tie	bow-tie
bow tie	bowtie
box-cutter	box-cutter
boys will be boys	boys shall (forever|always) (remain|be) boys
boys will be boys	boys shall remain boys (to the very end|)
brachioplasty	arm lift
brain-dead	brain dead
branchia	branchiae
brand-new	brand new
brand-new	bran-new
brassy	brassier
brazil	Federative Republic of Brazil
brazilian jiu-jitsu	BJJ
bread always falls buttered side down	the bread never falls but on its buttered side
bread and butter	bread and butter
breadcrumbs	bread crumbs
break a habit	[break] {one's} habit
break a journey	[break] {one's} journey
break a promise	[break] {one's} promise
breakdown	break-down
breaker's yard	car breakers
break out in a sweat	[break] into a sweat
break out in a sweat	[break] into a cold sweat
break the habit	[break|kick] {one's} habit
break the spell	[break] {one's} spell
breakup	break-up
breast cancer gene 1	BRCA1
breast cancer gene 2	BRCA2
breast cancer gene test	BRCA gene test
breathalyze	breathalyse
breathalyzer	breathalyser
brew so shall you bake	as {sb} [brew], (so|) {sb} [bake]
brew so shall you bake	as {sb} [brew], (so|) {sb} shall bake
brew so shall you bake	as {sb} [brew], (so|) shall {sb} bake
bric-a-brac	bric-à-brac
brightly-colored	brightly-coloured
bring around	bring round
bring to the table	[bring] to the table
brise	brisé
broad-minded	broadminded
bromine	Br
bubble tea	boba tea
bubble tea	boba
buck stop here	the buck [stop] (here|there|) with {sb}
budgie	budgerigar
bughouse chess	bughouse
build on	build upon
build-up	buildup
bulla	bullae
bull mastiff	Bullmastiff
bull's eye	bull's-eye
bull's eye	bullseye
bureau	bureaux
bureaucratize	bureaucratise
bureau de change	bureaux_de_change
burglarize	burglarise
burn bridges	[burn] bridges
burn bridges	[burn] bridges with {sb}
burned out	burnt out
burn the candle at both ends	[burn] {one's} [candle] at both ends
busiest men have the most leisure	busiest men find the most time
business and technology education council	BTEC
businessperson	business person
businesswoman	business woman
bus rapid transit	BRT
bust ass	[bust] {one's} chops
busy as a beaver	(as|) busy as a beaver building a new dam
busy as a bee	(as|) busy as bees
butt of the joke	the butt of {one's} joke
buy a lemon	[buy] a lemon of {sth}
by doing nothing we learn to do ill	by doing nothing one learns to do ill
bylaw	by-law
bylaw	bylaws
bylaw	bye-law
byline	by-line
bypass	bypast
by the way	btw
by word of mouth	(by|through) (the|) word-of-mouth
c1 advanced	CAE
c2 proficiency	CPE
cable person	cable wrangler
cactus	cacti
caddie	caddied
caduceus	caducei
caesura	caesurae
cafe	café
cafe au lait	café au lait
cafe curtain	café curtain
cafe noir	café noir
cafeteria	caféteria
cafetiere	cafetière
calcium	Ca
caliber	calibre
caliper	calliper
call no man happy till he dies	do not call any man happy (till|until) he (dies|is history)
call off the dogs	[call] the dogs off
call on	call upon
calorie	cal
camaieu	camaïeu
cambium	cambia
camellia	camelia
camel spin	C Sp
camera crane	jib
camouflage	camo
camping stove	camp stove
canape	canapé
cancelation	cancellation
canceled	cancelled
can dish it out but cannot take it	{sb} would dish it out, but {sb} would not take it
candor	candour
canonize	canonise
can't hack it	{sb} [can't|couldn't] hack {sth}
capitalize	capitalise
capitalize on	capitalise on
capsize	capsise
captain	Capt
caput	capita
caramelize	caramelise
caravel	carvel
carbohydrate	carb
carbon	C
carbon copy	CC
carbon monoxide	CO
carburetor	carburettor
carburetor	carburator
carcinoma	carcinomata
cardiac care unit	CCU
cardiac care unit	coronary care unit
cardiopulmonary resuscitation	CPR
cargo	cargoes
carol	carolled
carpet bomb	carpet-bomb
carpus	carpi
carrot and stick	carrot-and-stick
carrot top	carrot-top
caryatid	carides
caryopsis	caryopses
cast about	cast around
cast pearls before swine	[cast|throw] {one's} pearls before swine
catalog	catalogue
cataloging	cataloguing
catalogue raisonne	catalogue raisonné
catalyze	catalyse
catch-22	catch 22
catch-22	catch twenty two
catch-22	catch-twenty-two
catch a meal	[catch] {one's} meal
catch drift	[catch|get] the drift
catcher mask	chatcher's mask
catch sight of	[catch] a glimpse of {sb/sth}
catch-up tv	catch up TV
catch with hand in the cookie jar	[have] {one's} [hand] in the cookie jar
catechize	catechise
categorize	categorise
catena	catenae
cat flap	cat-flap
cat flap	catflap
catheterize	catheterise
cathode-ray tube	CRT
catnap	catnapped
caught up in	[get] {sb} caught up in {sth}
cauldron	caldron
cause celebre	cause célèbre
cavetto	cavetti
caviar	caviare
cecum	caecum
cecum	cæcum
cefr	Common European Framework of Reference for Languages
celebrity	celeb
celiac	coeliac
celiac	cœliac
celiac disease	coeliac disease
cell-free dna screening	cfDNA screening
cell phone	cell
cell phone	cellphone
cell phone	cellular phone
cembalo	cembali
center	centre
center field	centre field
center field	centerfield
center finding ruler	centering ruler
centerline	centreline
centerline	center line
center party	centre party
centiliter	centilitre
centiliter	cl
centimeter	centimetre
centimeter	cm
central canal	ependymal canal
central canal	spinal foramen
central defensive midfielder	CDM
centralized	centralised
central processing unit	CPU
central processing unit	central processor
cerebellum	cerebella
cerebral palsy	CP
cerebrum	cerebra
certified nursing assistant	CNA
certified public accountant	CPA
cervix	cervices
cevapi	ćevapi
chain mail	chainmail
chain mail	mail
chain mail	maille
chalkboard eraser	eraser
chameleon	chamaeleon
chameleon	chamæleon
chamomile	camomile
chamomile	chamomille
champleve	champlevé
change around	change round
change horses midstream	[change] {one's} horse midstream
chap	chapped
chapati	chapatti
chapeau	chapeaux
chaperon	chaperone
characterization	characterisation
characterize	characterise
charcot-marie-tooth disease	CMT
chasse	chassé
chastise	chastize
chateau	château
che	chè
checkbook	chequebook
checkbook	cheque book
checked baggage	checked luggage
checkered	chequered
checkout	check-out
checkup	check-up
cheek color	Cheek Coloring
chef's salad	chef salad
chela	chelae
chemigram	Chemogram
chemotherapy	chemo
chequebook journalism	checkbook journalism
cherimoya	chirimuya
cherry flip	cherry-flip
cherry on the cake	the cherry on top
chiasmus	chiasmi
chicago-style hot dog	Chicago Dog
chicken feed	chickenfeed
chicken foot	chickenfoot
chickenshit	chicken shit
chicken tabaka	chicken tapaka
chick lit	chick-lit
chick lit	chicklit
chief executive officer	CEO
chief financial officer	CFO
chief technology officer	CTO
chief technology officer	chief technical officer
chief technology officer	chief technologist
childcare	child care
child labor	child labour
chill-out music	chill
chill-out music	chill-out
chill-out music	chillout
chill run up spine	(chill|shiver) (up and|) down {one's} spine
chimpanzee	chimp
china	People's Republic of China
china	PRC
chinese jump rope	elastics
chinese jump rope	French skipping
chinese yo-yo	diabolo
chin lift	genioplasty
chin lift	mentoplasty
chinwag	chin-wag
chinwag	chin wag
chip away	chip away at
chippy	chippy
chit-chat	chit chat
chit-chat	chitchat
chlorine	Cl
chlorophyll	chlorophyl
chock-a-block	chockablock
choose an author as you choose a friend	[choose] {one's} author as {sb} [choose] {one's} [friend]
choose an author as you choose a friend	choose your author as you would choose your [friend]
choose an author as you choose a friend	choose your author like you choose your [friend]
choro	chorinho
chou	choux
choux pastry	pâte à choux
christmas	Xmas
chroma-key	chromakey
chromium	Cr
chronic fatigue syndrome	CFS
chrysalis	chrysalides
cicada	cicadae
cicatrix	cicatrices
cider	cyder
cilium	cilia
cimbalom	cymbalom
cinematic virtual reality	VR cinema
cinema verite	cinéma vérité
cingulum	cingula
cipher	cypher
circa	c.
circle dance	chain dance
cirrus	cirri
cisterna	cisternae
citizens advice	Citizens Advice Bureau
city center	city centre
city technology college	CTC
civilization	civilisation
civilized	civilised
clamor	clamour
clamorous	clamourous
clamorously	clamourously
clapper loader	second assistant camera
classified advertising	classified advertisement
classified advertising	classified ad
claw machine	claw crane
claymation	clay animation
clean as a pin	as neat as a pin
cliche	cliché
cliched	clichéd
click-through rate	CRT
cliff-hanging	cliffhanging
climatic	climatical
cling film	clingfilm
cloisonne	cloisonné
close but no cigar	close, but no cigar
closed-circuit television	CCTV
close-fisted	closefisted
close-quarters combat	CQC
close-quarters combat	close-quarters battle
close-quarters combat	CQB
close the books	[close] {one's} books
close to the mark	near the mark
clothes dryer	clothes drier
clothesline	clothes line
cloud cuckoo land	could-cuckoo-land
clown around	clown about
club sofa	English roll arm sofa
cluedo	Clue
coagulum	coagula
coast to coast	coast-to-coast
co-author	coauthor
coaxial	co-axial
cobalt	Co
cobbler's wife is the worst shod	who goes worse shod than the cobbler's wife
cobra	CoBrA
coca-cola	Coca Cola
coca-cola	Coke
cocaine	cocain
cocido	cozido
cock-and-bull story	cock and bull story
codfish	codfishes
codify	codified
coffee maker	coffeemaker
co-found	cofound
cognitive behavioral therapy	CBT
cognitive behavioral therapy	cognitive behavior therapy
cognitive behavioral therapy	cognitive behaviour therapy
cognizance	cognisance
cognizance	cognizaunce
cognizant	cognisant
cognize	cognise
coin purse	change purse
cold brew	cold-brew
cold room	cold-room
collins glass	Collins glass
colon	cola
colonization	colonisation
colonize	colonise
color	colour
colorant	colourant
color blindness	colour blindness
colored	coloured
colored pencil	coloured pencil
colorful	colourful
colorfully	colourfully
coloring	colouring
colorize	colourize
colorize	colourise
colorize	colorise
columbarium	columbaria
combinatory categorial grammar	CCG
come around	come round
comedo	comedones
come down on	come down upon
come home to roost	chickens [come] home to roost
come rain or come shine	(come|) rain or shine
come to jesus	come-to-Jesus
come to mind	[come|spring] (to|into) {one's} mind
come to nothing	{not} [come] to anything
comfy	comfier
comic strip	comics
commander	Cmdr
commanding officer	CO
commercial driver's license	CDL
commercialize	commercialise
commercialized	commercialised
commis chef	commis
common application	Common App
common core	Common Core State Standards Initiative
common era	CE
communication channel	channel of communication
community center	community centre
community center	community hall
compact car	compact
compact disc	CD
compact disc	compact disk
complete blood count	CBC
complete blood count	full blood count
complete blood count	FBC
complexion	complection
compressed natural gas	CNG
computed tomography	CT
computer-aided design technician	CAD technician
computer-aided manufacturing	CAM
computer-based learning	CBL
computer-generated imagery	CGI
computerize	computerise
computer program	computer programme
concasse	concassé
conceptualize	conceptualise
concertmaster	first violin
concha	conchae
condominium	condo
confab	confabbed
conference center	conference centre
conge	congé
congenital adrenal hyperplasia	CAH
congius	congii
congratulations	congrats
conjunctiva	conjunctivae
conjurer	conjuror
connection	connexion
conservatism	conservativism
consomme	consommé
contact information	contact info
contact lens	contact
conte	conté
contextualize	contextualise
continuous-flow intersection	CFI
contra dance	contradance
contra dance	contredanse
conversion rate optimization	CRO
cookie-cutter	cookie cutter
cooperate	co-operate
cooperate	coöperate
cooperative	co-operative
cooperative	coöperative
coordinate	co-ordinate
coordinate	coördinate
copolyester	co-polyester
coquet	coquetted
cordocentesis	fetal blood sampling
cordocentesis	percutaneous umbilical cord blood sampling
cornea	corneae
cornflakes	corn flakes
coronary artery bypass surgery	CABG
coronary artery bypass surgery	coronary artery bypass graft
corporation	corp
cortex	cortices
cosmic microwave background	CMB
cosmic microwave background	cosmic microwave background radiation
cosmic microwave background	CMBR
costa	costae
cost cutting	cost-cutting
cost of attendance	COA
cost-per-click	CPC
coulomb	C
counseling	counselling
counselor	counsellor
counterargument	counter-argument
counterattack	counter-attack
counterintuitive	counter-intuitive
country pop	cowboy
country pop	pop country
count towards	count toward
coup d'etat	coup d'état
coupe	coupé
coupe de ville	coupé de ville
coupe utility	coupé utility
coursebook	course book
course through veins	[course] through the veins of {sb}
court ballet	ballet de cour
cover band	covers band
cover costs	[cover] the cost of {sth}
covid-19	C-19
covid-19	C19
covid-19	COVID
covid-19	COVID-19
cow knows not what her tail is worth till she has lost it	cow {not} [know] the (worth|value) of (its|her) tail (till|until) it is cut off
cow knows not what her tail is worth till she has lost it	cow {not} [know] what her tail is worth (till|until) she has lost it
cow knows not what her tail is worth till she has lost it	cow {not} [know] what its tail is worth (till|until) it has lost it
cow knows not what her tail is worth till she has lost it	cow knows not what its tail is worth (till|untill) it has lost it
coworker	co-worker
cowpunk	country punk
cozy	cosy
crack down on	crack down
crash program	crash programme
crawfish	crawfishes
crayfish	crayfishes
crazyhouse chess	crazyhouse
cream pie	creme pie
creative accounting	creative accountancy
creative non-fiction	creative nonfiction
crematorium	crematoria
creme brulee	crème brûlée
creme caramel	crème caramel
creme de cacao	crème de cacao
creme de menthe	crème de menthe
creme fraiche	crème fraîche
creolization	creolisation
crepe	crêpe
crepe paper	crêpe paper
creutzfeldt-jakob disease	CJD
crew neck	crew-neck
crew neck	crewneck
cribbage	crib
crime does not pay	crime never pays
crime fiction	crime story
crisscross	criss-cross
critical care unit	CCU
criticize	criticise
cross fingers	[keep] {one's} fingers crossed
crossfit	Cross Fit
cross path	[cross] [path] with {sb}
cross-step	cross step
cross to bear	[cross] {sb} (must|should) bear
cross to bear	[cross] {sb} [have] to bear
crossword	crossword puzzle
crowd around	crowd round
crowdie	crowdy
crucify	crucified
crudites	crudités
crux	cruces
crwth	bowed lyre
crybaby	cry-baby
crystallize	crystalize
crystallize	crystallise
crystallize	crystalise
crystallized	crystallised
crystallized	crystalized
crystallized	crystalised
cry with one eye and laugh with the other	laugh on one eye and cry with the other
csaszar polyhedron	Császár polyhedron
c-stand	Century stand
ct scan	computed axial tomography scan
ct scan	CAT scan
cubic centimeter	cubic centimetre
cubic centimeter	cm³
cubic centimeter	cc
cubic inch	cu in
cumulative trauma disorder	CTD
cumulus	cumuli
cup of tea	another cup of tea
cure is worse than the disease	the cure (may|might) be worse than the disease (itself|)
curriculum	curricula
curriculum vitae	CV
curry favor	[curry] favour
cushioned brush	cushion brush
customization	customisation
customize	customise
cut a caper	[cut] capers
cut and dried	cut-and-dried
cutis	cutes
cut no ice with	[cut] no ice
cut no ice with	{not} [cut] any ice
cut no ice with	{not} [cut] any ice with {sb}
cutout animation	cut-out
cuttlefish	cuttlefishes
cyberwarfare	cyber warfare
cyclo-cross	cyclocross
cyclo-cross	CX
cyclo-cross	cyclo-X
cyclo-cross	'cross
cyclo-cross bike	cyclocross bike
cyma	cymae
cyprus	Republic of Cyprus
cystic fibrosis	CF
cytomegalovirus	CMV
czech republic	Czechia
dadaism	Dada
dahyo	dohyō
damage per second	DPS
dance improvisation	dance improv
dance squad	dance team
dan dan noodles	Dandan noodles
d'anjou	D'Anjou pear
dashboard	dash
datebook	date-book
daughters and dead fish are not keeping wares	daughters and dead fish shall not keep (any|) wares
dawn on	dawn upon
day and night	night and day
day and night cannot dwell together	day and night (shall|will) never coexist
day and night cannot dwell together	night (shall|will) never see the light of day
day and night cannot dwell together	there can never be to suns (coexisting|)
day in, day out	day in day out
dead men bite	burried men bite not
death is the great leveler	death is the great leveller
death rock	deathrock
debut	début
debutante	débutante
decaffeinated	decaf
decalogue	decalog
decennium	decennia
decentralize	decentralise
decentralized	decentralised
deck chair	deckchair
deck chair	deck-chair
declasse	déclassé
declassify	declassified
decollage	Décollage
decollete	décolleté
decolonization	decolonisation
decor	décor
decoupage	découpage
decreolization	de-creolization
de-emphasize	de-emphasise
de-emphasize	deemphasise
de-emphasize	deemphasize
de-emphasize	deëmphasize
deep brain stimulation	DBS
deep-fry	deep-fried
deep vein thrombosis	DVT
deep-water soloing	DWS
deep-water soloing	deep water soloing
de-escalate	deescalate
defense	defence
defenseless	defenceless
defensive back	DB
defensive end	DE
defensive specialist	DS
defensive tackle	DT
degage	dégagé
degree celsius	C
dehumanization	dehumanisation
deja vu	déjà vu
delicatessen	deli
deliveryman	delivery man
delivery woman	deliverywoman
demagnetize	demagnetise
demagogue	demagog
demand valve oxygen therapy	DVOT
demand valve oxygen therapy	demand valve
demeanor	demeanour
demilitarize	demilitarise
demobilize	demobilise
democratize	democratise
demode	démodé
demonetize	demonetise
demoralize	demoralise
demoralized	demoralised
demoralizing	demoralising
dendritic cell	DC
denmark	Kingdom of Denmark
denouement	dénouement
dental admission test	DAT
dental composite	rasin-based composite
dental hygienist	hygienist
dental public health	DPH
dental school	school of dentistry
deodorize	deodorise
deodorize	deodourise
deodorize	deodourize
department of anthropology	Anthropology Department
department of biology	Biology Department
department of chemistry	Chemistry Department
department of economics	Economics Department
department of english	English Department
department of history	History Department
department of homeland security	DHS
department of linguistics	Linguistics Department
department of mathematics	Mathematics Department
department of music	Music Department
department of philosophy	Philosophy Department
department of psychology	Psychology Department
department of sociology	Sociology Department
depend on	depend upon
derriere	derrière
deshabille	déshabillé
deshabille	dishabille
desideratum	desiderata
designated hitter	DH
desperate times call for desperate measures	drastic times call for drastic measures
destabilize	destabilise
detective	DT
detention center	detention centre
determiner phrase	DP
deuce to seven triple draw	2-7 triple draw
developpe	développé
devil finds work for idle hands	the devil makes work for idle hands
devilfish	devilfishes
devitalize	devitalise
dexterous	dextrous
dexterously	dextrously
dhivehi	Divehi
dialect levelling	dialect leveling
dialing code	dialling code
dialogue	dialog
diamante	diamanté
diamond cuts diamond	[diamond] cut [diamond]
diarrhea	diarrhoea
diarrhea	diarrhœa
diatonic button accordion	melodeon
dido	didoes
die brucke	Die Brücke
diesel multiple unit	DMU
different strokes for different folks	different strokes
difficult is done at once impossible takes a little longer	difficult we do immediately; (the|) impossible (only|) takes a little longer
diffuser	diffusor
dig heels in	[dig] in {one's} heels
dig into a hole	[dig] a hole for {oneself}
digital	digi
digital audio workstation	DAW
digital imaging technician	DIT
digital service provider	DSP
digital single-lens reflex camera	digital SLR
digital single-lens reflex camera	DSLR
digitize	digitise
digitize	digitilize
dig own grave	[dig] {one's} grave with {one's} own knife and fork
dig the dirt	[dig] the dirt on {sb/sth}
dig the dirt	[dig] up (the|) dirt
dig the dirt	[dig] up (the|) dirt on {sb/sth}
dike	dyke
dilation and curettage	D&C
dilation and curettage	D and C
dilation and curettage	dilatation and curettage
dining room	dining-room
dinosaur	dino
dip toe in	[dip] a toe in (the water|)
direct animation	cameraless animation
direct animation	Drawn-on-film animation
directional pad	D-pad
direct traffic control	DTC
dirt cheap	dirt-cheap
disc jockey	DJ
disc jockey	disk jockey
discolor	discolour
discretion is the better part of valor	the better part of valor is discretion
discretion is the better part of valor	valor can do little without discretion
discus	disci
discus throw	disc throw
disfavor	disfavour
dishonor	dishonour
dishonorable	dishonourable
dishonorably	dishonourably
disorganized	disorganised
dispense	dispence
dissociative identity disorder	DID
distance education	distance learning
distant water will not quench your immediate thirst	distant water will not quench a fire nearby
distant water will not quench your immediate thirst	water afar off quencheth not fire
distill	distil
distributed morphology	DM
di unit	direct inject
di unit	direct input
di unit	DI box
diverging diamond interchange	DDI
divertimento	divertimenti
divorce	divorcé
divorcee	divorcée
do a 180	[do] a (one|) hundred (and|) eighty
do a 180	[do] a one eighty
do a 180	[do] a one-eighty
do a favor	[do] {sb} a favour
doctor	Dr
doctor	doc
doctor of arts	DA
doctor of arts	ArtsD
doctor of audiology	AuD
doctor of business administration	DBA
doctor of business administration	DrBA
doctor of canon law	JCD
doctor of chiropractic	DC
doctor of civil law	DCL
doctor of clinical psychology	DClinPsy
doctor of clinical psychology	DClinPsych
doctor of clinical psychology	ClinPsyD
doctor of dental surgery	DDS
doctor of divinity	DD
doctor of divinity	DDiv
doctor of education	EdD
doctor of education	DEd
doctor of juridical science	Doctor of the Science of Law
doctor of juridical science	SJD
doctor of juridical science	JSD
doctor of letters	Doctor of Literature
doctor of letters	DLitt
doctor of medicine	MD
doctor of ministry	DMin
doctor of osteopathic medicine	ND
doctor of pharmacy	DPharm
doctor of philosophy	PhD
doctor of philosophy	DPhil
doctor of psychology	PsyD
doctor of science	DS
doctor of science	DSc
doctor of science	ScD
doctor of theology	ThD
doctor of veterinary medicine	DVM
docudrama	documentary drama
dogfish	dogfishes
doggy bag	doggie bag
dogmatize	dogmatise
do good	[do] {sth} (any|) good
dogtooth	dogteeth
do hair	[do] hair
do it yourself	do-it-yourself
do it yourself	DIY
do justice	[do] {sb/sth} justice
dolly zoom	vertigo effect
dolor	dolour
dolorous	dolourous
domain name system	DNS
do makeup	[do] makeup
do nails	[do] nails
donburi	domburi
done and dusted	done-and-dusted
do not sell the bear's skin before you have caught it	catch your bear before you sell its skin
don't-know	dont-know
donut	doughnut
donut	dough-nut
donut chart	doughnut chart
doppelganger	doppelgänger
dormitory	dorm
dormouse	dormice
dorsum	dorsa
dos and don'ts	do's and don'ts
do the washing	[do] a wash
do the washing up	[do] the washing up
dot the i's and cross the t's	[cross] {one's} t's and [dot] {one's} i's
dot the i's and cross the t's	[cross] the t's and [dot] the i's
dot the i's and cross the t's	[dot] {one's} i's and [cross] {one's} t's
double disc court	DDC
double double	double-double
double-end bag	double end bag
do unto others as you would have them do unto you	do as you would be done
do unto others as you would have them do unto you	treat others as you would like to be treated
do unto others as you would have them do unto you	treat others the way you want to be treated
down at heel	down-at-heel
downloadable content	DLC
down syndrome	Down's syndrome
down to earth	down-to-earth
draft-mule work	mule work
drag over the coals	[drag] over the coals
drain the swamp	[drain] the swamp of {sth}
dramatize	dramatise
draw on cigarette	[draw] on {one's} (cigarette|cigar|pipe)
drive crazy	[drive] {sb} to madness
drive shaft	driveshaft
drive-through	drive-thru
driving under the influence	DUI
dr martens	DMs
dr martens	Doc Martens
dr martens	Doctor Martens
dr martens	Dr. Martens
drop a dime on	[drop] a dime
drop around	drop round
drop-down menu	drop-down list
drophead coupe	drophead coupé
dropped ceiling	drop ceiling
drop waist skirt	drop-waisted
drunkenness reveals what soberness conceals	darkness (shall|must) reveal what soberness conceals
drunkenness reveals what soberness conceals	what soberness conceals, drunkenness reveals
dryer	drier
dry ski slope	dry slope
duchenne's muscular dystrophy	DMD
duck egg	duck's egg
duct tape	duck tape
duel	duelled
dueler	dueller
duelist	duellist
dugite	dukite
dungeons & dragons	D&D
dungeons & dragons	DnD
duo	dui
duodenum	duona
dusseldorf school	Düsseldorf School
dust settle	the dust to settle
duty bound	duty-bound
dvd	digital video disc
dvd	digital versatile disc
dwell on	dwell upon
dyed in the wool	dyed-in-the-wool
dynamic posturography	test of balance
dynamic posturography	TOB
dysfunction	disfunction
dyspraxia	developmental coordination disorder
dyspraxia	DCD
eagle owl	eagle-owl
early growth response	EGR
early ripe early rotten	soon ripe, soon rotten
early to bed early to rise	early to bad and early to rise, makes a man healthy, wealthy, and wise
earthrise	earth-rise
east coast swing	ECS
easter	Easter Day
easter	Easter Sunday
east is east west is west	East is East, West is West and never shall the (twain|two) meet
east west home's best	Home's the best, either East or West
eat drink and be merry for tomorrow we die	eat, drink, and be merry
eat dust	[eat] dust
eaten bread is forgotten	eaten bread is soon to be forgotten
eat to live not live to eat	live not to eat, but eat to live
ecarte	écarté
echappe	échappé
echinus	echini
eclair	éclair
eclat	éclat
economize	economise
ecoterrorism	eco-terrorism
ecoterrorism	ecological terrorism
eddo	eddoes
eddy	eddied
editorialize	editorialise
editor-in-chief	editor in chief
educational technology	EdTech
eerie	eery
egypt	Arab Republic of Egypt
ehlers danlos syndrome	EDS
ehomaki	lucky direction roll
eight ball	eight-ball
eighth note	quaver
ekg	ECG
electric multiple unit	EMU
electric vehicle charger	EV charger
electrocardiogram	ECG
electrocardiogram	EKG
electroconvulsive therapy	ECT
electroencephalogram	EEG
electromyography	EMG
electroneuronography	ENoG
electronic body music	EBM
electronic cigarette	e-cigarette
electronic control unit	ECU
electronic dance music	EDM
electronic keyboard	digital keyboard
electronic keyboard	portable keyboard
electronic paper	e-paper
electronic stability control	ESC
electronic toll collection	ETC
electronystagmography	ENG
electrooculography	EOG
electroretinography	ERG
electrosurgical unit	ESU
elephant in the room	white elephant in the room
elevated railroad	el
elevated railway	el
elevated train	el train
elevated train	el
eleven-plus	11+
eleven-plus	11-plus
eleventh hour	the eleventh-hour
elite	élite
el nino	El Niño
email	e-mail
embark on	embark upon
emergency medical technician	EMT
emergency room	ER
emigre	émigré
emigree	émigrée
emotional quotient	EQ
empathize	empathise
emphasize	emphasise
emphasized	emphasised
enamor	enamour
enamored	enamoured
encephalitis	encephalitides
encephalon	encephala
encroach on	encroach upon
en croute	en croûte
encrust	incrust
encyclopedia	encyclopaedia
encyclopedia	encyclopædia
encyclopedia	cyclopedia
encyclopedia	cyclopaedia
encyclopedia	cyclopædia
encyclopedic	encyclopaedic
encyclopedic	encyclopædic
endeavor	endeavour
endocardium	endocardia
end of the rainbow	at the rainbow's end
endorse	indorse
endorsement	indorsement
enemy of your enemy is your friend	the enemy of (your|my) enemy shall be (your|my) friend
energize	energise
english as a second language	ESL
english breakfast	full English breakfast
english language learner	ELL
englut	englutted
enneadecagon	19-gon
enneadecagon	nonadecagon
enology	oenology
enology	œnology
enough said	nuff said
enroll	enrol
enrollment	enrolment
entasis	entases
enter key	enter
enthalpy	H
enthrall	enthral
enthrall	inthrall
entrance examination	entrance exam
entree	entrée
entrepot	entrepôt
envy never enriched any man	envy (enriched|shall enrich) no man
envy shoots at others and wounds itself	envy shoots at others while wounding itself
eon	aeon
eon	æon
epaulement	épaulement
epee	épée
ephemeron	ephemera
epicardium	epicardia
epicenter	epicentre
epidermolysis bullosa	EB
epididymis	epididymides
epiglottis	epiglottides
epilogue	epilog
epiphysis	epiphyses
epitomize	epitomise
epstein-barr virus	EBV
equalize	equalise
equalize	æqualize
equalizer	equaliser
equal sign	equals sign
erectile dysfunction	ED
erythrocyte sedimentation rate	ESR
erythrocyte sedimentation rate	sedimentation rate
erythrocyte sedimentation rate	sed rate
escalivada	escalibada
escalope	escallop
escape key	esc key
esophagus	oesophagus
esophagus	œsophagus
estimated time of arrival	ETA
estimated time of departure	ETD
estrogen	oestrogen
estrus	oestrus
estrus	œstrus
etiology	aetiology
etiology	ætiology
etiology	aitiology
etiquette	étiquette
etude	étude
etymon	etyma
eucalyptus	eucalypti
eukaryote	eucaryote
eulogize	eulogise
euphemize	euphemise
eurgh	yeurgh
eurgh	ergh
european union	EU
evangelize	evangelise
even a worm will turn	even a worm turns
even a worm will turn	the worm (will|shall) turn
even homer nods	the great Homer himself (sometimes|) nods
every bird likes its own nest	all bids like their own nests
every bird likes its own nest	all bids take pride in their own nests
every book must be chewed to get out its juice	books must be chewed for their juice to come out
every cock crows on his own dunghill	a cock is bold on his own dunghill
every day brings its bread	every day brings his bread (with it|)
every dog gets one bite	every dog is allowd one bite
every light has its shadow	every light casts (its|a) shadow
every light is not the sun	not every light is the sun
every man for himself and the devil take the hindmost	devil take the hindmost
every man for himself and the devil take the hindmost	every man for himself
every man is a fool or physician by forty	every man is (either|) a fool or physician after (forty|thirty) (years of age|)
every man is the architect of his own fortune	every man shall be the architect of his own fortune
everyone has their price	every man has (his|a) price
everyone's faults are not written in their forehead	not everyone's fault is written (in|on) their [forehead]
everyone speaks well of the bridge which carries him over	everyone shall speak well of the bridge (which|that) carries them over
every path has its puddle	every path has a puddle
every path has its puddle	every path shall have its (own|own set of|) puddles
every picture tells a story	every picture has a story to (tell|share)
every potter praises his own pot	every potter (shall|tends to) praise their own pot
every shoe fits not every foot	not every shoe fits every foot
everything is good in its season	all in due season
every tub must stand on its own bottom	let every tub stand on its own bottom
every white has its black and every sweet its sour	if there is white, there is black, if there is sweet, there is sour
example is better than precept	example teaches more than precept
exceed expectations	[exceed] {one's} expectations
exceptional case-marking	ECM
exception that proves the rule	exceptions that prove the rule
exercise authority	[exercise] authority
exorcise	exorcize
expand on	expand upon
expense	expence
experience is the best teacher	experience always proves to be the best teacher
experience is the teacher of fools	experience teacheth fools
experience point	XP
experimental cinema	avant-garde cinema
experimental rock	avant-rock
expose	exposé
express train	express
extemporize	extemporise
extended play	EP
extracorporeal membrane oxygenation	ECMO
extra extra large	XXL
extra large	XL
extra small	XS
eye drops	eyedrops
eye movement desensitization and reprocessing	EMDR
eyes are the windows of the soul	the eyes are windows to our souls
eyeshadow	eye shadow
eyetooth	eyeteeth
facade	façade
facebook	FB
face like a bulldog chewing a wasp	face [look] like a bulldog chewing a wasp
face-to-face	face to face
facioscapulohumeral muscular dystrophy	FSHD
fact-check	fact check
faeroese	Faroese
faff around	faff about
fagged	fagged out
failure teaches you more than success	failure is a (far|) better teacher than success
faint-hearted	fainthearted
fair and softly goes far in a day	fair and softly does it for the day
fair words fill not the belly	the belly is not filled with fair words
fairy tale	fairytale
fall back on	fall back upon
fallboard	fall-board
fall into a trap	[fall] into {one's} trap
fall over backward	[fall] over backwards
fall short of	[fall] short
false friends are worse than open enemies	false friends (tend|prove) to be (much|far|way|) worse than open enemies
false friends are worse than open enemies	false friends can be (much|far|way|) worse than open enemies
familiarize	familiarise
fanbase	fan base
fantasize	fantasise
fantasize	phantasise
fantasize	phantasize
far as know	so far as {sb} [know]
far-fetched	farfetched
farmers' market	farmers' market
faroese	Faeroese
farsighted	far-sighted
fastball	fast ball
fast chess	speed chess
fast cutting	quick cutting
fast fashion	fast-fashion
fast forward	fast-forward
fast talker	fast-talker
fat boy	Fatboy
fatso	fatsoes
fattoush	fattoosh
fattoush	fattouche
fattoush	fattush
fattoush	fatush
fault-finding	faultfinding
favor	favour
favorability	favourability
favorable	favourable
favorably	favourably
favorite	favourite
fay	fairy
fear of missing out	FOMO
fear of the lord is the beginning of knowledge but fools despise wisdom and instruction	fear of the lord is the foundation of true knowledge, but fools despise wisdom sand decipline
feast for the eyes	feast (for|to) {one's} (eyes|ears)
feather step	feather
fecal	faecal
fecal	fæcal 
federal bureau of investigation	FBI
federalize	federalise
federal work-study program	Work-Study
feed on	feed upon
feldgrau	field gray
felt tip	felt-tip pen
felt tip	felt-tipped pen
female of the species is more deadly than the male	female of the species (tends|proves) to be more deadly than the male
femur	femora
fenestella	fenestellae
fenestra	fenestrae
fermata	fermate
fertilize	fertilise
festschrift	festschriften
feta cheese	feta
fetal	foetal
fetal	fœtal
fetal	phoetal
fetal	phœtal
fetal	fætal
fetal alcohol syndrome	FAS
fete	Fête
fetid	foetid
fetid	fœtid
fetus	foetus
fetus	fœtus
fetus	phœtus
fetus	fætus
fez	fezzes
fiance	fiancé
fiancee	fiancée
fiber	fibre
fiberboard	fibreboard
fibula	fibulae
fictionalize	fictionalise
fiddle while rome burn	[play] {one's} [fiddle] while Rome [burn]
fide	International Chess Federation
fide	World Chess Federation
fifty-yard line	50-yard line
filet	fillet
filmmaker	film-maker
filmmaking	film making
filo pastry	Filo
filo pastry	phyllo
finalize	finalise
final nail in the coffin	a nail in {one's} coffin
final nail in the coffin	another nail in the coffin
fingerpicking	finger picking
finish line	finishing line
finish nail	finishing nail
finland	Republic of Finland
firefighter	fire fighter
first class honours degree	first-class honours degree
first class honours degree	first class
first class honours degree	first-class
first class honours degree	first
first come first served	first comer is first to be served
first impressions are the most lasting	first impressions (tend|prove) to the most lasting
first impressions are the most lasting	first impressions can be everlasting
first-person	first person
first-person shooter	FPS
first step is always the hardest	it is the first step that is (the most|) difficult
first step is always the hardest	the first step is the only difficulty
fish for a compliment	[fish] for compliments
fish paste	fishpaste
five hundred	500
five o'clock shadow	five-o'clock shadow
five-pin bowling	five pin bowling
fix-up	fixup
fjord	fiord
flaky	flakey
flambe	flambé
flash by	flash past
flashcard	flash card
flash flood	flashflood
flatfish	flatfishes
flatfoot	flatfeet
flat out	flat-out
flattery like perfume should be smelled but not swallowed	flattery, (much|) like perfume, has to be smelled (but|and) not swallowed
flavor	flavour
flavored	flavoured
flavorful	flavourful
flavoring	flavouring
flavorless	flavourless
flavorlessness	flavourlessness
flavorous	flavourous
flavorsome	flavoursome
fleche	flèche
fledgling	fledgeling
fleshy	fleshier
flexing	FlexN
flip book	flipbook
float around	float about
floodplain	flood plain
floor show	floorshow
flora	florae
flourish	floryshe
flourish	florysh
flower bed	flowerbed
flub	flubbed
fluorine	F
flutist	flautist
fly around	fly about
fly-half	fly half
flyleaf	flyleaves
focused	focussed
focus on	focus upon
focus puller	1AC
focus puller	first assistant camera
folderol	falderol
folktale	folk tale
follow a different path	[go] down a different alley
follow-up	followup
food and drug administration	FDA
food coloring	food colouring
fools build houses and wise men live in them	fools build houses for wise men to (live in|buy) them
fool's haste is no speed	fool's haste is not to be counted as speed
fools may sometimes speak to the purpose	(even|) fools (may|might) speak to the (purpose|point) sometimes
foot-and-mouth disease	FMD
foot-and-mouth disease	hoof-and-mouth disease
foot-and-mouth disease	HMD
foot per second	fps
foot per second	fp/s
footstrike	footstrike
force-out	force out
forceps	forceps
for christ's sake	for (Christ|goodness) sake
for christ's sake	for (Heaven's|pity's) sake
forebear	forbear
forefoot	forefeet
formalize	formalise
formula one	F1
formula one	Formula 1
for real	fr
forro	forró
for the sake of	for {one's} sake
fortune knocks once at every man's door	fortune knocks at every man's door (at least|) once
fortune-teller	fortuneteller
fortune-teller	fortune teller
for wisdom will enter your heart and knowledge will be pleasant to your soul	for wisdom will enter your heart, and knowledge will fill you with joy
for wisdom will enter your heart and knowledge will be pleasant to your soul	lady Wisdom will be your close friend, and Brother Knowledge your pleasant companion
for wisdom will enter your heart and knowledge will be pleasant to your soul	wisdom entereth into thine heart, and knowledge is pleasant unto thy soul
for your information	FYI
fossa	fossae
fossilization	fossilisation
fouette	fouetté
found on	found upon
four-by-four	4x4
four-wheel drive	4WD
fovea	foveae
foxtrot	foxtrotted
frames per second	FPS
frames per second	frame rate
france	French Republic
frankfurter	frank
frappe	frappé
fraternize	fraternise
freak folk	acid-folk
free fall	freefall
freerunning	free running
french deck	French-suited deck
french drop	Le Tourniquet
frequency modulation	FM
fried pie	Fry pie
frighten out of wits	[frighten|scare|terrify] the wits out of {sb}
frogeye salad	fish-eye salad
frogeye salad	fish's eye salad
frogeye salad	frog-eye salad
frogeye salad	frog's eye salad
frogmarch	frog-march
frolic	frolicked
from heart	from the heart
from pillar to post	from one pillar to another post
from rags to riches	rags to riches
from the sublime to the ridiculous is only a step	it is only (a|one) step from the sublime to the ridiculous
front man	frontman
front runner	front-runner
front runner	frontrunner
frontwoman	front woman
frown on	frown upon
frustum	frusta
fulfill	fulfil
fulfillment	fulfilment
fulla doll	Fulla
full course dinner	full-course dinner
full length mirror	full-length mirror
full-length mirror	full length mirror
fully booked	fully-booked
ful medames	fūl
fund-raise	fundraise
furcula	furculae
furor	furore
furor	furour
further education	FE
gaelic athletic association	GAA
gaelic languages	Goidelic language
gain on	gain upon
galabia	galabeya
galabia	jalabiya
galabia	jellabiya
galbi	galbi-gui
galbi	Kalbi
galvanize	galvanise
game boy	gameboy
game-changer	game changer
game master	gamemaster
gamist-narrativist-simulationist theory	GNS theory
gamma hydroxybutyrate	GHB
gamy	gamey
ganglion	ganglia
gangsta rap	gangster rap
gangster	G
garbage disposal	garbage disposal unit
garbage man	garbageman
garden center	garden centre
gas lamp	gaslamp
gasoline	gas
gasoline	gasolene
gastro-oesophageal reflux disease	GORD
gastro-oesophageal reflux disease	gastroesophageal reflux disease
gateau	gateaux
gate-crasher	gatecrasher
gearshift	gear shift
gear toward	gear towards
gecko	geckoes
geez louise	jeez louise
gejang	gejeot
gel	gelled
gender-affirming surgery	GAS
general equivalency diploma	GED
generalize	generalise
generalized	generalised
generalized anxiety disorder	GAD
generalized anxiety disorder	generalised anxiety disorder
general practitioner	GP
generation y	gen y
genetically modified	GM
genetic testing	DNA test
genius	genii
genus	genera
geographic information system	GIS
german deck	Skat deck
germany	Federal Republic of Germany
germany	FRG
get a degree	[receive ] a degree
get a degree	[obtain] a degree
get around	get round
get around to	get round to
get ducks in a row	[get|have] all (of|) {one's} ducks in a row
get out of bed the wrong side	[get] out of the wrong side of (the|) bed
get out of dodge	[get] out of dodge
get out of here	get outta here
get own back	[get] {one's} own back on {sb}
get to first base	[get] to first base
get to first base	[get|go] to first base
get to second base with	[get|go] to second base
ghetto	ghettoes
giclee	giclée
giddy-up	giddyup
giddy-up	giddyap
giddy-up	giddup
gigabyte	GB
gim	kim
gin	gan
ginataan	guinataan
gingiva	gingivae
gird	girt
girly	girlie
give a dog a bad name	give a dog an ill name (and hang him|)
give advice	[give] advice
give a fuck	[give] two (flying|) fucks
give a hoot	[give] two hoots
give a lesson	[give] {sb} a lesson
give a once-over	[give] {sb/sth} (a|the) once over
give a shit	[give] two shits
give credit	[give] {sb} credit
give heart	[give] {sb} heart
give information	[give] {sb} information
give love to	[give|send] {sb} {one's} love
give pause	[give] pause (for thought|)
give permission	[give] {sb} permission
give priority	[give] {sth} priority
give regards to	[give|send] {sb} {one's} regards
give the glad eye	[give] {sb} the eye
give thought	[give] thought to {sth}
give up as a bad job	[give] {sth} up as a bad job
glace	glacé
glamorous	glamourous
glamorous	glam
glamour	glamor
glam rock	glam
glans	glandes
glassblowing	glass-blowing
glissando	glissandi
glitch music	glitch
globalization	globalisation
global positioning system	GPS
global surface temperature	surface temperature
global surface temperature	GST
globefish	globefishes
glogg	glögg
glomerular filtration rate	GFR
glossa	glossae
glove maker	glovemaker
gloves are off	gloves off
glut	glutted
gluteoplasty	buttock lift
gluteoplasty	gluteal augmentation
goalkeeper	keeper
goalkeeper	GK
goal-line technology	GLT
go apeshit	[go] ape
go around	go round
go-around	go-round
goat	G.O.A.T.
goat	G. O. A. T.
goat	Goat
goat	goat
goat cheese	goat's cheese
go back on a promise	[go] back on {one's} promise
go back on a promise	[go] back on {one's} deal
go back on a promise	[go] back on {one's} pledge
goddammit	goddamnit
goddamn	goddam
goddamn	god damn
god forbid	heaven forbid
godforsaken	god-forsaken
god never sends mouths but he sends meat	He that sends mouths sends meat
godspeed	godspeed
gods send nuts to those who have no teeth	the gods send nuts to the teethless
go dutch	[go] Dutch with {sb}
go halves	[go] half and half
go halves	[go] halves with {sb}
go hammer and tongs	[go|be] hammer and tongs at it
go hang	go hang
go in one ear and out the other	[go] in one ear, out the other
golden age was never the present age	the golden age has never been the present age
golf cart	golfcart
golf club	golf-club
golf club	golfclub
golliwog	golliwogg
golliwog	golly
golly	gollies
golubtsy	golubtsi
gonadal artery	ovarian artery
gonadal artery	testicular artery
go nowhere	[get] {sb} nowhere
goochie-goo	goochy-goo
goochie-goo	goochie-goochie
goochie-goo	goochy-goochy
good game	GG
good-humored	good-humoured
good men are scarce	a good man is hard to find
good night	goodnight
good seed makes a good crop	good seeds make (for|) good crops
good swimmers are often drowned	good swimmers are always first to drown
good things come to those who wait	all good things come to he who waits
good things come to those who wait	everything comes to those who wait
good wine needs no bush	(a|) wine of fine vintage needs no bush
good wine needs no bush	good wines need no bush
good wine needs no bush	wines of fine vintage are in need of no bush
goody	goodie
goody two shoes	goody two-shoes
go one better than	[go] one better
go on foot	[go] on foot
goose bumps	goosebumps
gotcha	gotchya
gothic rock	goth
gothic rock	goth rock
go to bed on an argument	[go] to bed upon having an argument
go toe-to-toe	[go|stand|be] toe to toe
go towards	go toward
gourmand	gormand
gourmandize	gourmandise
gourmandize	gormandise
gourmandize	gormandize
government	gov
grace will last beauty will blast	grace will last, favour will blast
grade point average	GPA
graduate management admission test	GMAT
graduate school	grad school
graffito	graffiti
gram	g
gram	gramme
grandmaster	GM
grand piano	grand
graphical user interface	GUI
graphics processing unit	GPU
grasp all lose all	grasp all and lose it all
grass roots	grassroots
grassy	grassier
gray	grey
gray area	grey area
gray fox	grey fox
gray-haired	grey-haired
gray matter	grey matter
gray rhebok	grey rhebok
gray rhebok	reebok
gray vote	grey vote
gray wolf	grey wolf
great barkers are no biters	the greatest barkers are not always the sorest biters
great barkers are no biters	the greatest barkers bite not sorest
great spenders are bad lenders	great spenders (always|) tend to be bad lenders
great talkers are little doers	great talkers (always|) turn out to be little doers
great talkers are little doers	great talkers, little doers
greco-roman	Graeco-Roman
greece	Hellenic Republic
greenwich mean time	GMT
grist for the mill	grist for {one's} mill
grist to the mill	grist to {one's} mill
grommet curtain	eyelet curtain
gross domestic product	GDP
ground ball	groundball
ground open up and swallow	the (ground|floor|earth) (would open up and|) [swallow] {sb}
ground open up and swallow	the (ground|floor|earth) would (open up and|) [swallow] {sb}
ground-to-air missile	GTAM
ground zero	GZ
grownup	grown-up
growth medium	culture medium
grubby	grubbier
grueling	gruelling
grunge rock	grunge
guerrilla	guerilla
guerrilla force	guerilla force
guest house	guesthouse
guide book	guidebook
guiro	güiro
gum	gummed
gutsy	gutsier
gynecological	gynaecological
gynecological	gynæcological
gynecologist	gynaecologist
gynecology	gynaecology
gynecology	gynæcology
gypsy jazz	Django jazz
gyrus	gyri
gyudon	gyūmeshi
ha ha	ha-ha
ha ha	haha
hair clip	hairclip
hair dryer	hairdryer
hair of the dog	hair of the dog that bit {sb}
hair pick	hair pik
hairspray	hair spray
half-ass	half-arse
half-assed	half-arsed
halfback	half
halfhearted	half-hearted
half-life	halflife
half-life	half life
half marathon	half-marathon
half note	minim
half-price	half price
half the truth is often a whole lie	half the truth is no better than a whole lie
half-title	half title
halloumi	haloumi
hallux	halluces
halter	halteres
hamstring	hamstrung
hand around	hand round
handcrafted	hand-crafted
hand over the baton to	[hand] over the baton
hand over the baton to	[hand] over the baton to {sb}
handsfree	hands-free
handsome is as handsome does	pretty is as pretty does
hand wrap	wrist wrap
hang around	hang round
hang around	hang about
hang around with	hang round with
hang around with	hang about with
hang drum	handpan
hang on to	hang onto
hang up gloves	[hang] up the gloves
happen on	happen upon
happy as a clam	(as|) happy as clams
happy birthday	HBD
harbor	harbour
hardboiled	hard-boiled
hardcore hip hop	hardcore rap
hard court	hardcourt
hard disk drive	HDD
hard disk drive	hard disk
hard disk drive	fixed disk
hardworking	hard-working
harken	hearken
harmonization	harmonisation
hashish	hash
hashish	hasheesh
hashish	haschisch
haste makes waste	over haste makes certain waste
hasty climbers have sudden falls	hasty climbs are followed by sudden falls
hats off	hats off to {sb}
hat tip	h/t
hauler	haulier
haul over the coals	[haul] over the coals
have a bone to pick with	[have] a bone to pick
have a bun in the oven	[have] [bun] in the oven
have a finger in the pie	[have] {one's} [finger] in (a lot of|lots of) pies
have against	have got against
have a good mind to	[have] a good mind for {sth}
have a hard time	[have] a hard time {doing sth}
have a horse in the race	[have] a horse in {sth}
have ants in pants	[be] full of ants in {one's} pants
have a roving eye	[have] roving eyes
have a screw loose	have (a few|many|some) screws loose
have a screw loose	have (a few|many|some) loose screws
have butterflies in stomach	[get|feel] butterflies (in {one's} stomach|)
have enough of	[have] enough
have everything to recommend it	[have] (everything|much|a lot) to (recommend|commend) {oneself}
have everything to recommend it	[have] something to (recommend|commend) {oneself}
have everything to recommend it	[have] (little|nothing) to (recommend|commend) {oneself}
have feet on the ground	[have] both feet on the ground
have had it with	[have] {sth} up to here
have half a mind to	[have] a good mind to
have hands tied	{one's} hands [be] tied
have it coming	[have] something coming to {sb}
have it out with	[have] it out
have more money than sense	with more money that sense
have name on it	[have] {one's} name (written|) all over it
have on the brain	[have] {sb/sth} on {one's} brain
have something going for	[have] a lot going for {sb}
have something going with	[have] something going
have the guts	[have] some (guts|nerve)
have to	have got to
have to do with	[be] to do with {sb/sth}
have to thank for	[have] {sb/sth} to thank
have trouble	[have] trouble {doing sth}
headfirst	head first
head over heels	head over heels
head over heels	head over heels in love
headshot	Head shot
heads will roll	heads [roll]
heads will roll	heads will have to roll
headwrap	head wrap
healthcare	health care
health center	health centre
heart failure	HF
hear through the grapevine	[hear] (through|on)the grapevine
hear through the grapevine	[hear] about {sth} (through|on) the grapevine
heart is in the right place	[have] {one's} heart in the right place
heatstroke	heat stroke
heat up	hot up
heat wave	heatwave
heavenward	heavenwards
heebie-jeebies	heebie-geebies
heimdall	Heimdal
heimdall	Heimdallr
heliskiing	heli-skiing
helium	He
he lives long who lives well	he liveth long who liveth well
hell no	hell to the no
hello stranger	hello, stranger
hem	hemmed
hematocrit	haematocrit
hematologist	haematologist
hemodialysis	haemodialysis
hemoglobin	haemoglobin
hemoglobin	haemoglobine
hemoglobin	hæmoglobin
hemoglobin	hæmoglobine
hemoglobin	hemoglobine
hemoglobin	hematinoglobulin
hemoglobin	Hb
hemophilia	haemophilia
hemophilia	hæmophilia
hemorrhage	haemorrhage
hemorrhage	hæmorrhage
hemorrhoid	haemorrhoid
hemorrhoid	hæmorrhoid
hemorrhoids	haemorrhoids
hepatic flexure	right colic flexure
hepatitis	hep
heptadecagon	17-gon
heptadecagon	septadecagon
hereabouts	hereabout
heritage center	heritage centre
he teaches ill who teaches all	he teacheth ill who teacheth all
heterosexual	hetero
heterosexual	het
he who hesitates is lost	he who gives way to hesitation is (forever|) lost
hexadecagon	16-gon
hexadecagon	hexakaidecagon
hey-ho	heigh-ho
hide-and-go-seek	hide and go seek
hide-and-seek	hide and seek
hidradenitis suppurativa	HS
high chair	highchair
high-definition	high definition
high-definition	hi-def
high-density polyethylene	HDPE
high dependency unit	HDU
high fidelity	Hi-Fi
high fidelity	HiFi
high-flyer	high-flier
high-flyer	highflier
high-flyer	highflyer
high-intensity interval training	HIIT
high-quality	high quality
high-tech	hi-tech
high-visibility safety vest	hi
high-visibility safety vest	hi-vis
high-visibility safety vest	hi-visibility safety vest
hijack	highjack
hilum	hila
hinge on	hinge upon
hip hip hooray	hip hip hoorah
hip hip hooray	hip hip hurrah
hippopotamus	hippo
historical dance	early dance
hit-and-miss	hit and miss
hit and run	hit-and-run
hit hard	[hit] {sb/sth} hard
hit home	[hit|strike|drive] {sth} home
hit piece	hit-piece
hit point	HP
hit rock bottom	[be] at rock bottom
hit the bottle	[take] to the bottle
hit upon	hit on
hiya	heya
hog in armor	hog in armour
hold against	[hold] {sth} against {sb/sth}
hold captive	[hold] {sb} captive
hold head high	[hold] up {one's} [head]
hold on to hat	[hold|hang] onto {one's} [hat]
hold prisoner	[hold] {sb} prisoner
hole in one	hole-in-one
holier than the pope	more Catholic than the Pope
hollandaise sauce	hollandaise
holy	holier
holy moly	holy moley
holy smoke	holy smokes
homemade	home-made
homeopathy	homoeopathy
homeopathy	homœopathy
homeschooling	home education
home stretch	the homestretch
homogeneous	homogenous
homogenize	homogenise
homy	homey
honest men marry quickly wise men not at all	honest men marry quickly, but the same cannot be said for wise men
honest to god	honest-to-God
honey is sweet but the bee stings	honey is sweet, but the bee's sting is bitter
honor	honour
honorable	honourable
honorably	honourably
honor and profit lie not in one sack	honour and profit lie not in one sack
honored	honoured
honors	honours
honors change manners	honor changes manners
honors change manners	honours change manners
honors change manners	honour changes manners
honors degree	honors
honors degree	Hons
honors degree	honours degree
hoodie	hoody
hook line and sinker	hooked, lined, and sinkered
hooray	hurrah
hooray	hurray
hora	horo
hora	oro
hormone replacement therapy	hormone-replacement therapy
hormone replacement therapy	HRT
horrify	horrified
horror film	horror movie
hors d'oeuvre	hors d'œuvre
horsepower	HP
hospitalize	hospitalise
hot-air balloon	hot air balloon
hot dog	hotdog
hot dog	hot-dog
hotheaded	hot-headed
hotshoe	hot shoe
hotspot	hot spot
hour-long	hourlong
house-warming	house-warming party
hr specialist	‌human resources specialist
huh	hah
hula-hoop	hula hoop
humanize	humanise
human leukocyte antigen	HLA
human resources	HR
humerus	humeri
hummus	houmus
hummus	houmous
hummus	hoummous
hummus	hoummos
hummus	hommus
hummus	hommos
humor	humour
humorist	humourist
humorous	humourous
humph	hmph
huntington's disease	HD
huntington's disease	Huntington's chorea
huzzah	huzza
hybridize	hybridise
hydrogen	H
hyena	hyaena
hyperbolize	hyperbolise
hypersensitized	hypersensitised
hypha	hyphae
hypnotize	hypnotise
hypothalamus	hypothalami
hyrax	hyraces
iamb	iambi
ibex	ibices
ice ax	ice axe
ice cap	icecap
ice cream	icecream
ice cream	ice-cream
iced tea	ice tea
ice-hockey player	ice hockey player
iceland	Republic of Iceland
icosagon	20-gon
icosahedron	icosahedra
idealize	Idealise
idolize	idolise
i don't know	IDK
if memory serve	if {one's} memory [serve] correctly
ifs ands or buts	ifs or buts
if something sounds too good to be true it probably is	if something sounds too good to be true, chances are that it is
if the cap fits	if the cap fits wear it
if the shoe fits	if the (shoe|boot) fits wear it
if you cannot beat them join them	if you cannot lick them, (you might as well|) join them
if you cannot bite never show your teeth	if you cannot bite, you might as well hide your teeth
if you cannot stand the heat get out of the kitchen	if you do not like the heat, get out of the kitchen
if you do not mind	if you would not mind
if you do not speculate you cannot accumulate	if people do not speculate, they fail to accumulate
if you lie down with dogs you will get up with fleas	those who sleep with dogs, (will|shall) rise with fleas
if you lie down with dogs you will get up with fleas	lie down with dogs, get up with fleas
if you run after two hares you will catch neither	one who runs after two hares, will catch neither
if you sit by the river for long enough you will see the body of your enemy float by	sit by the river (for|) long enough, and (watch|witness) the body of your anemy float by
igbo	Ibo
igloo	iglu
igniter	ignitor
ignorance is bliss	(where|) ignorance is bliss, it is folly to be wise
i hear you	I hear ya
ill afford	ill afford {to do sth}
ill-favored	ill-favoured
image stabilization	IS
immobilize	immobilise
immortalize	immortalise
immunization	immunisation
immunize	immunise
immunofixation blood test	protein electrophoresis
impact on	impact upon
impostor	imposter
improve on	improve upon
improvisational theater	improv theater
improvise	improvize
in a calm sea every man is a pilot	every man is a pilot in a calm sea
in a calm sea every man is a pilot	every man is a pilot wen the sea is calm
in a calm sea every man is a pilot	when the sea is calm, every man (is|becomes) a pilot
in a second	in a sec
in broad strokes	in broad brushstrokes
incentivize	incentivise
incognizant	incognisant
in crosshairs	in the crosshairs of {sb}
incunable	incunabulum
incus	incudes
in defense	in {one's} defence
independent music	indie
independent music	indie music
in-depth	in depth
india	Republic of India
individualized	individualised
individual medley	IM
industrialization	industrialisation
industrialize	industrialise
industrialized	industrialised
in favor of	in favour of
infectious mononucleosis	IM
infectious mononucleosis	mono
inflection	inflexion
information	info
information and communications technology	ICT
information technology	IT
infrared	IR
in fulfillment of	in fulfilment of
ingenue	ingénue
in good hands	safe in {one's} hands
inhabitant	habitant
in hands	in the hands of {sb}
in honor of	in honour of
in hopes of	in the hope (of|that)
in my arrogant opinion	IMAO
in my humble opinion	IMHO
innuendo	innuendoes
inquire	enquire
inquirer	enquirer
inquirer	querier
in real life	IRL
insect repellent	insect repellant
insist on	insist upon
in-situ	in situ
install	instal
installment	instalment
instant messaging	IM
instill	instil
intaglio	intagli
intellectual disability	ID
intelligence quotient	IQ
intelligence quotient	I.Q.
intelligent dance music	IDM
intensive care unit	ICU
intercom system	intercommunication system
interior offensive line	IOL
interleaf	interleaves
interlibrary loan	ILL
intermezzo	intermezzi
internal combustion engine	ICE
internalize	internalise
internally displaced person	IDP
international english language testing system	IELTS
international general certificate of secondary education	IGCSE
international gymnastics federation	FIG
international match point	IMP
international phonetic alphabet	IPA
international powerlifting federation	IPF
international standard book number	ISBN
international swimming league	ISL
international weightlifting federation	IWF
internet	net
internet art	net art
internet cafe	Internet café
internet of things	IoT
internet service provider	ISP
interneuron	connecter neuron
interneuron	internucial neuron
interneuron	relay neuron
interregnum	interregna
interweave	interwove
in the blink of an eye	in a (blink|twinkling)
in the country of the blind the one-eyed man is king	among the blind, (any|) one-eyed man is (the|) king
in the end things will mend	in the end (everything|all things) (shall|will) mend
in the firing line	in the line of fire
in the open	(out|) into the open
in the same breath	in one breath
in the same vein	in a similar vein
intrauterine device	IUD
intravenous	IV
intravenous pole	IV pole
intravenous pyelogram	IVP
intravenous therapy	IV therapy
in two shakes	in a couple of shakes
in two shakes	in two shakes of a lamb's tail
invite around	invite round
in vitro fertilization	IVF
in way	{one's} (own|) way {~noun}
iodine	I
iodine	iodin
iridium	Ir
irrevocable	irrevokable
irritable bowel syndrome	IBS
island hopping	island-hopping
isthmus	isthmi
italy	Italian Republic
it depends	that depends
it does not matter if a cat is black or white as long as it catches mice	the color of a cat shall not matter (so|as) long as it catches mice
it goes without saying	it went without saying
it is a deal	you have got a deal
it is a good horse that never stumbles and a good wife that never grumbles	it is a good horse that never stumbles
it is a good thing	a good thing too
it is a good thing	good thing
it is an ill wind that blows no one any good	ill wind does not blow (anyone|anybody) any good
it is better to travel hopefully than to arrive	to travel hopefully is a better thing than to arrive
it is better to wear out than to rust out	better wear out than rust out
it is ill waiting for dead men's shoes	he (that|who) waits for (a|) dead man's shoes may go long enough barefoot
it is ill waiting for dead men's shoes	it is ill waiting for a dead man's shoes
it manager	information technology manager
it specialist	information technology specialist
it will be all the same a hundred years hence	it is all one a hundred years hence
i will be seeing you	be seeing you
i would not say no to	I cannot say no to {sth}
jack cheese	Monterey Jack
jack-in-the-box	jacks-in-the-box
jack of all trades	Jack-of-all-trades
jack of all trades	jack of all trades and (a|) master of none
jaeger	Jäger
jail	gaol
jajangmyeon	jjajangmyeon
jalapeno	jalapeño
jalapeno popper	jalapeño popper
jardiniere	jardinière
jazz fusion	jazz rock
jazz fusion	progressive jazz
jazz rap	jazz hip hop
jeez	geez
jegichagi	jegi
jell-o	jello
jelly-like	jellylike
jeopardize	jeopardise
jete	jeté
jeweler	jeweller
jewelry	jewellery
jewelry designer	jewellery designer
jew's harp	Jews' harp
jianbing	jian bing
jib	jibbed
jibe	gybe
jigsaw puzzle	jigsaw
jimmy	jimmied
jiujitsu	jujitsu
jiujitsu	jujutsu
jiujitsu	Jiu-jitsu
job center	job centre
jot	jotted
joule	J
juba dance	hambone
juba dance	patting juba
jucy lucy	Juicy Lucy
judgment	judgement
judgment	iugement
judgment	iudgement
judgmental	judgemental
judgment call	judgement call
judogi	dogi
juice box	juicebox
jumbo jet	jumbojet
jump out at	jump out
jump-start	jumpstart
junior	Jr
junk mail	junk
junkman	junk dealer
junkman	ragman
juris doctor	JD
just a second	just a sec
kachori	kachauri
kachori	kachodi
kachori	katchuri
kaeng som	gaeng som
karnoffel	Karnöffel
kati roll	kathi roll
keep appointment	[keep] an appointment
keep a promise	[keep] {one's} promise
keep a secret	[keep] {sth} a secret
keep a secret	[keep] {one's} secret
keep head	[keep] a cool head
keep in mind	[keep] in mind
keep in proportion	[keep] in proportion
keep quiet	[keep] quiet about {sth}
keep schtum	[keep|stay] shtum
keep to	[keep] {oneself} to {oneself}
kefir	kefier
kefir	kephir
kereru	kererū
key chain	keychain
key ring	keyring
khaleegy	khaliji
khao kha mu	kha mu
khao soi	khao soy
khichdi	khichri
kibbeh	kubba
kidnapper	kidnaper
kill time	[have] {duration} to kill
kill-to-death ratio	KDR
kill with kindness	[kill] {one's} {sth} with kindness
kilogram	kilo
kilogram	kg
kilogram	kilogramme
kilometer	kilometre
kilometer	km
kilometers per hour	kilometres per hour
kilometers per hour	km/h
kilometers per hour	kph
kilometers per hour	kmph
kilometers per hour	km/hr
kimbap	gimbap
kimchi	kimchee
kind-hearted	kindhearted
kind of	kinda
kind words will unlock an iron door	kind words will unlock iron doors
kinesthetic learning	kinaesthetic learning
kinesthetic learning	tactile learning
kinetic energy	KE
kings have long arms	kings (often|) come with long arms
king's indian defense	KID
king-size	king-sized
kissel	kisel
kiss goodbye	[kiss|say|wave] goodbye to {sth}
kissing goes by favor	kissing goes by favour
klinefelter syndrome	KS
knee pad	knee sleeve
knick-knack	knickknack
knick-knack	nicknack
knock around	knock about
knock-on	knock on
knock the wind out of	[knock|take] the wind out of {one's} sails
knot	knotted
knucklebones	jacks
knucklebones	jackstones
kohlrabi	kohlrabies
kolach	kolace
kolach	kolache
kolach	kolacky
koldskal	koldskål
koshary	koshari
koshary	kushari
kowtow	kotow
kutia	kutya
laban movement analysis	LMB
labor	labour
laboratory	lab
laborer	labourer
labor force	labour force
labor-intensive	labour-intensive
labor market	labour market
labor of love	labour of love
labor party	labour party
laborsaving	labor-saving
laborsaving	laboursaving
laborsaving	labour-saving
lackluster	lacklustre
lacuna	lacunae
laddu	laddoo
ladies' man	lady's man
ladykiller	lady killer
ladykiller	lady-killer
lah-di-dah	la-di-da
lah-di-dah	lah-de-dah
la-la land	La La land
lamb chop	lambchop
lamb chop	lamb-chop
lame	lamé
lamppost	lamp post
landler	ländler
lane departure warning system	LDWS
langerhans cell	LC
language-based learning disability	LBLD
la niña	La Niña
lap	lapped
lap dance	contact dance
larb	laab
larb	laap
larb	lahb
larb	larp
lardon	lardoon
larger than life	larger-than-life
larynx	larynges
laserdisc	laserdisk
latch on	latch on to
latch on	latch onto
laughing my ass off	lmao
laugh out loud	LOL
laugh out loud	laughing out loud
law court	lawcourt
law school	school of law
law school admission test	LSAT
lay-by	layby
lay hands on	[lat|get] hands on {sb}
lay to rest	[lay|put] to rest
layup	lay-up
laze around	laze about
lead-actor	lead actor
lead-actress	lead actress
lead on to	lead onto
leadout	lead out
leadout	lead-out
lead singer	lead-singer
lead singer	lead-vocalist
lean over backwards	lean over backward
lean towards	lean to
lean towards	lean toward
learning management system	LMS
learn lesson	[learn] a lesson
least common denominator	LCD
least common denominator	lowest common denominator
leave mark	[leave] (a|its) mark
leaving do	leaving-do
lebanon	Lebanese Republic
lebanon	Republic of Lebanon
lecture theatre	lecture theater
left field	leftfield
lefthanded compliment	left-handed compliment
left right and centre	right, left, and centre
legalize	legalise
leg before wicket	LBW
legitimatize	legitimatise
leg rope	legrope
lehenga	langa
lehenga	lehnga
lemon squeezer	lemon-squeezer
lend a hand	[give|lend] a (helping|) hand
lend ears	[lend] {sb} an ear
lend ears	[lend] an ear
lentigo	lentigines
lepton	lepta
leroc	modern jive
less-developed country	LDC
lesser of two evils	the lesser evil
let me know	LMK
let not the sun go down on your wrath	do not let the sun go down on your (wrath|anger)
let the dead bury the dead	do not you cry for the dead, smile for the living
let the wise listen and add to their learning and let the discerning get guidance	a wise man will hear, and will increase learning; and a man of understanding shall attain unto wise counsels
let the wise listen and add to their learning and let the discerning get guidance	let the wise hear and increase in learning, and the one who understands obtain guidance
leukemia	leukaemia
leukemia	leucaemia
leukemia	leucemia
leukemia	leukæmia
leukemia	leucæmia
leukocyte	leucocyte
level-headed	levelheaded
level off	level out
levothyroxine	L-thyroxine
lexical functional grammar	LFG
liars need good memories	liars (should|must) have good memories
liberation	lib
licensed	licenced
licensed practical nurse	LPN
licentiate of sacred theology	STL
lichen planus	LP
lichen planus	lichen ruber planus
licorice	liquorice
lie around	lie about
lieutenant	Lt
lieutenant	LT
lieutenant	Lieut
lie way into	[lie] {one's} way out of {sth}
lifebuoy	life buoy
lifebuoy	life-buoy
lifesaver	life saver
lifesaver	life-saver
life-support system	life support system
light-hearted	lighthearted
light rail transit	LRT
light reflector	bounce board
light years ahead of	light years better than {sb/sth}
light years ahead of	light-years ahead of {sb/sth}
light years away	light-years away
likable	likeable
like a bear with a sore head	(as|) cross as a bear with a sore head
like a chicken with its head cut off	like chickens with their heads cut off
like a dog	[treat] {sb} like dogs
like a hole in the head	like {sb} [need] a hole in the head
like a kid with a new toy	like kids with new toys
like a rat up a drainpipe	like rats up a drainpipe
like as not	as like as not
like bees to a honeypot	like bees (to|round) a honey pot
like bees to a honeypot	like bees (to|round) a honey-pot
like greased lightning	like lightning
like nailing jell-o to the wall	like trying to nail Jell-O to the wall
like nailing jelly to the wall	like trying to nail jelly to the wall
like pouring water in a sieve	[be] like pouring water (in|into) a sieve
likes of	the like of {sb/sth}
limb-girdle muscular dystrophy	LGMD
limousine	limo
linebacker	line backer
line graph	line chart
linoleum	lino
lion is not so fierce as he is painted	the lion is not the fiercest of them all, as he (too|) is painted
lionize	lionise
liquefied petroleum gas	LPG
liquefied petroleum gas	LP gas
liquidize	liquidise
liquidizer	liquidiser
list-group-label	list group label
list-group-label	LGL
liter	litre
liter	L
literary criticism	lit crit
lithium	Li
little black dress	LBD
little things please little minds	small things affect little minds
liturgical dance	worship dance
live-action role play	LARP
live out of a suitcase	[live] out of {one's} suitcase
live stream	livestream
live stream	live stream
live stream	livestream
live to fight another day	[live] to see the day
live to fight another day	see the day
live to see the day	see the day
living room	living-room
local anesthesia	local anaesthesia
local anesthetic	local anaesthetic
local area network	LAN
localize	localise
locked-in syndrome	LIS
lodgment	lodgement
lo-fi	lofi
lo-fi	low-fi
logarithm	log
log in	log on
login	log-in
log into	log onto
log off	log out
lolz	lols
long-distance running	long run
long-distance running	long distance running
long off	long-off
long on	long-on
long play	LP
longsightedness	long-sightedness
longstanding	long-standing
longtime	long-time
lookalike	look-alike
look around	look round
look like a bomb have hit	[look] like a bomb [have] gone off {sw}
look on	look upon
look out for number one	[look] after number one
los angeles	LA
lose face	[lose] {one's} face
lose out	lose out to
lose trust	[lose] {one's} trust
lose trust in	[lose] trust in {sb/sth}
lost and found	lost-and-found
loure	slow gigue
louver	louvre
love cannot exist where there is no trust	where there is no trust, there is no love
love song	love-song
love will find a way	love (always|) finds a way
low-calorie	low-cal
lower body lift	belt lipectomy
lowrider	low rider
low-tech	lo-tech
low technology	low-tech
low technology	low-technology
luck is on side	[have] luck on {one's} side
lug	lugged
lug nut	lugnut
lungfish	lungfishes
lusterless	lustreless
luxembourg	Grand Duchy of Luxembourg
lycee	lycée
lymphoma	lymphomata
macadamize	macadamise
macedoine	macédoine
macguffin	McGuffin
machine gun	machinegun
machine gun	MG
mackintosh	mac
mackintosh	macintosh
mackintosh	mack
macrame	macramé
macro-je languages	Macro-Jê languages
macula	maculae
mafalde	mafalda
mafalde	Mafaldine
magic point	MP
magister juris	Master of Jurisprudence
magister juris	MJur
magma	magmata
magnesium	Mg
magnetic levitation	maglev
magnetic resonance imaging	MRI
magnetize	magnetise
mahi-mahi	mahi mahi
mahi-mahi	mahimahi
mahjong	mahjongg
maitre d'hotel	maître d'hôtel
maitre d'hotel	maître d'
major histocompatibility complex	MHC
make a big thing of	[make] a big (thing|deal) about {sth}
make acquaintance	[make] acquaintances
make acquaintance	[make] the acquaintance of {sb}
make a difference	[make] a world of difference
make a difference	[make] a big difference
make a difference	[make] all the difference
make a difference	[make] all the difference in the world
make a mountain out of molehill	[make] a mountain from (a|) molehill
make a move on	[make] {one's} move
make a move on	[make] a move
make an omelet without breaking eggs	[make] an omelette without breaking eggs
make a pig of	[make] [pig] of {oneself}
make a thing of	[make] a (big|) thing about {sth}
make clear	[make] clear {sth}
make friends with	[make] friends
make head or tail of	[make] heads or tails (out|) of {sb/sth}
make mark	[make] a mark
makeover	make-over
make the bed	[make] {one's} bed
make time	[make] the time
make toward	make towards
makeup	make-up
makeup artist	make-up artist
maki	makizushi
maki	norimaki
malleus	mallei
malodorous	malodourous
mamilla	mamillae
mamma	mammae
mammilla	mammillae
manakish	manaeesh
manakish	manakeesh
maneuver	manoeuvre
maneuver	maneuvre
maneuver	manoeuver
maneuver	manœuver
maneuver	manœuvre
maneuverable	manoeuvrable
manganese	Mn
manipulative tool	manipulative
man of letters	men_of_letters
man-of-war	man-o'-war
mantis	mantes
man to man	(as|) a man to man
man-to-man defense	man defense
manuscript	MS
man who has once been bitten by a snake fears every piece of rope	one year bitten by a snake, for three years afraid of a grass rope
maori	Māori
maqluba	Maqlooba
marbleized	marbleised
marginalize	marginalise
marketplace	market place
marvelous	marvellous
marvelously	marvellously
masala chai	Chai masala
masse shot	massé shot
massively multiplayer online role-playing game	MMORPG
mass media	mass-media
mass medium	mass_media
mass rapid transit	MRT
master of arts	MA
master of business administration	MBA
master of business administration	Master in Business Administration
master of ceremonies	MC
master of ceremonies	M.C
master of counseling	MC
master of counseling	MCoun
master of counseling	MCouns
master of counseling	Master of Counselling
master of divinity	MDiv
master of education	MEd
master of engineering	MEng
master of engineering	ME
master of fine arts	MFA
master of laws	LLM
master of letters	MLitt
master of medicine	MMed
master of medicine	MM
master of performing arts	MPA
master of philosophy	MPhil
master of public health	MPH
master of research	MRes
master of research	MARes
master of research	MScRes
master of research	MScR
master of sacred theology	STM
master of science	MS
master of science	MSc
master of science in engineering	MEng
master of science in engineering	ME
master of science in management	Master of Management
master of science in management	MMS
master of science in nursing	MSN
master of social work	MSW
master of studies	Master in Studies
master of studies	MSt
master of studies	MStud
master of surgery	ChM
master of surgery	MCh
master of surgery	MChir
master of surgery	MS
master of technology	MTech
mate	maté
materialize	materialise
mathematics	math
mathematics	maths
matinee	matinée
matrix	matrices
matryoshka doll	matryoshka
matryoshka doll	Russian doll
matryoshka doll	nesting doll
matzo	matzoth
maxilla	maxillae
maxima	octuple whole note
maximization	maximisation
maximize	maximise
maximum	max
mayonnaise	mayo
meager	meagre
meagerly	meagrely
mean corpuscular volume	MCV
mean corpuscular volume	mean cell volume
meaning-text theory	MTT
measure twice cut once	measure twice before you cut once
meaty	meatier
mechanized	mechanised
medaillons	médaillons
medalist	medallist
median strip	median
medical center	medical centre
medical college admission test	MCAT
medicalize	medicalise
medication	med
medieval	mediaeval
medieval	mediæval
medium height	medium-height
medium-sized	medium-size
medulla	medullae
medulla oblongata	medullae_oblongatae
megabyte	MB
megahertz	MHz
meiosis	meioses
melange	mélange
melanize	melanise
melee	mêlée
member of parliament	MP
memorandum	memo
memorialize	memorialise
memorize	memorise
menage	ménage
menage a trois	ménage à trois
mend fences	[mend] fences
mend fences	[mend] fences with {sb}
meniere's disease	MD
menora	Manora
men's chorus	male voice choir
menswear	men's wear
merchandise	merchandize
merchandise	merchaundise
merchandise	merchaundize
mesmerize	mesmerise
mesmerized	mesmerised
mesmerizing	mesmerising
mess around	mess about
mess around with	mess about with
metabolize	metabolise
metalcore	metalic hardcore
metastasize	metastasise
meter	M
meter	metre
methamphetamine	meth
methylenetetrahydrofolate reductase	MTHFR
meuniere	meunière
meuniere butter	meunière butter
mexico	United Mexican States
meze	mezza
mezmar	mizmar
mezzo-soprano	mezzo
mhm	mm-hmm
mhm	um-hum
miasma	miasmata
microbead	micro bead
microfiber	microfibre
micrometer	micrometre
microphone	mic
microphone	mike
microwave oven	microwave
middle-distance running	middle distance running
middle linebacker	MLB
midriff	midrif
milan	Milano
mild cognitive impairment	MCI
miles per hour	mph
mill around	mill about
milligram	mg
milliliter	millilitre
milliliter	mL
millimeter	millimetre
millimeter	mm
mills of the gods grind slowly but they grind fine	mills of gods grind slowly
millstone around neck	millstone around the neck of {sb/sth}
millstone around neck	millstone round {one's} neck
millstone around neck	millstone round the neck of {sb/sth}
mimir	Mímir
mind boggle	{one's} [mind] boggle
mind p's and q's	[mind] {one's} Ps and Qs
miniature golf	mini golf
minibar	mini-bar
minibus	mini-bus
minimization	minimisation
minimize	minimise
minimized	minimised
miniskirt	mini skirt
minute	min
misapply	misapplied
misbehavior	misbehaviour
misdemeanor	misdemeanour
mise-en-scene	mise-en-scène
misfortunes never come singly	misfortunes seldom come alone
mishit	mis-hit
misjudgment	misjudgement
miss the mark	[miss] {one's} mark
miter	mitre
mititei	mici
mitochondrion	mitochondria
mixed martial arts	MMA
mixed-race	mixed race
mixer dance	dance mixer
mixer dance	mixer
mob	mobbed
mobile phone	mobile
mobilize	mobilise
mod con	all mod cons
mod con	mod cons
model animation	object animation
model animation	practical animation
modeling	modelling
modernize	modernise
modernized	modernised
moire pattern	Moiré pattern
moisturize	moisturise
moisturizer	moisturiser
molarity	molar concentration
molarity	M
mold	mould
moldable	mouldable
molder	moulder
molding	moulding
molkky	Mölkky
mollusk	mollusc
molt	moult
molybdenum	Mo
monday morning quarterback	Monday-morning quarterback
monetize	monetise
money spent on the brain is never spent in vain	money spent on the brain is never wasted
money-suited deck	Chinese money deck
monkey around	monkey about
monologue	monolog
monophonic	mono
monsieur	messieurs
month-long	monthlong
moola	moolah
moo shu pork	moo shi pork
moo shu pork	mu shu
moo shu pork	mu xu pork
moo shu pork	mù xū ròu
moralize	moralise
most valuable player	MVP
motion capture	mocap
motion sick	motion-sick
motorhome	motor home
motorized	motorised
motor neurone disease	MND
motor neurone disease	motor neuron disease
motorsport	motor sport
motorsport	motorsports
motor strip	precentral gyrus
motor strip	primary motor strip
mountain top	mountaintop
mouse pad	mouse mat
mousy	mousier
mousy	mousey
mouth-to-mouth	mouth-to-mouth resuscitation
mover and shaker	movers and shakers
move the clock ahead	[move] {one's} clock ahead
move the clock back	[move] {one's} clock back
mpv blood test	mean platelet volume test
mr	Mr.
mr. right	Mister Right
mr. right	Mr Right
mrs	Mrs.
ms	Ms.
ms. right	Miss Right
ms. right	Ms Right
ms. right	Mrs Right
much obliged	[be] much obliged
muck about	muck around
muck about with	muck around with
muddy	muddied
mud pack	mudpack
mugshot	Mug shot
multicolor	multicolour
multicolor	multi-color
multicolor	multi-colour
multicolored	multicoloured
multicolored	multi-colored
multicolored	multi-coloured
multifaceted	multi-faceted
multi-layered	multilayered
multiplayer online battle arena	MOBA
multiple sclerosis	MS
multipurpose	multi-purpose
multi-storey car park	multi-storey
multi-tool	multitool
multi use knife	multi-use knife
multi-user dungeon	MUD
mummify	mummified
musical composition	musical piece
musical composition	piece of music
musical composition	music piece
mustache	moustache
myasthenia gravis	MG
mycelium	mycelia
myeloid-derived suppressor cell	MDSC
myocardial infarction	MI
myocardium	myocardia
myotonic dystrophy	DM
myotonic dystrophy	myotonic muscular dystrophy
mystify	mystified
mythologize	mythologise
naan	nan
naengmyeon	raengmyŏn
naif	naïf
nail clippers	clipper
nail clippers	nail trimmer
nail clippers	nail cutter
nail clippers	nail clipper
naive	naïve
nanosecond	ns
narc	narco
narc	nark
narcissism	narcism
nasty	nastier
natatorium	natatoria
national assessment of educational progress	NAEP
national basketball association	NBA
national council licensure examination	NCLEX
national curriculum assessment	standard assessment tasks
national curriculum assessment	SATs
national football conference	NFC
national football league	NFL
national health service	NHS
national hockey league	NHL
nationalization	nationalisation
natto	nattō
naturalize	naturalise
nautilus	nautili
near-field communication	NFC
necessity is the mother of invention	necessity is the mother of all inventions
needle holder	needle driver
needle holder	needle forceps
needle lace	needlelace
negligee	negligée
negro	negroes
neighbor	neighbour
neighborhood	neighbourhood
neighboring	neighbouring
neither a borrower nor a lender be	neither a lender nor a borrower be
nemesis	nemeses
nemine contradicente	nem con
neoclassicism	neo-classicism
neofolk	apocalyptic folk
nervous breakdown	mental health crisis
net	nett
net asset value	NAV
netherlands	Holland
netted melon	net melon
neurofibromatosis	NF
neuron	neurone
neutral-colored	neutral-coloured
neutralize	neutralise
never mind	nvm
nevus	nevi
news program	news programme
new wine in an old bottle	new wine in an old wineskin
new wine in an old bottle	new wine in old bottles
new year's day	New Year's
new year's resolution	New Year resolution
new york	NY
new york	N.Y.
new york city	NYC
nictate	nictitate
night brings counsel	night (will|shall) bring councel
nightclub	night club
nigiri	edomae-zushi
nigiri	nigirizushi
nimbus	nimbi
nine ball	nineball
nine ball	9-ball
nine ball	nine-ball
nine day wonder	nine day's wonder
nine day wonder	nine-day wonder
nine day wonder	one-day wonder
nine day wonder	seven-day wonder
nine day wonder	ten-day wonder
nine times out of ten	ninety-nine times out of a hundred
nine to five	nine-to-five
nine to five	9 to 5
ninety-nine	99
nitpicking	nit-picking
nitrogen	N
njord	Njörðr
no biggie	no biggy
noel	Noël 
no-go	no go
no host bar	no-host bar
no muss, no fuss	no fuss, no muss
nonagon	enneagon
nonahedron	enneahedron
nonalcoholic	non-alcoholic
nonalcoholic	non alcoholic
non-committally	noncommittally
non-compliance	noncompliance
non-compliant	noncompliant
non-disclosure agreement	NDA
nonexistent	non-existent
non-finite	nonfinite
non-finite verb	nonfinite verb
nonflavored	nonflavoured
nonmeat	non-meat
non-observance	nonobservance
nonpartisan	nonpartizan
nonperishable	non-perishable
non-player character	NPC
nonplussed	nonplused
nonprofit	non-profit
nonrenewable	non-renewable
nonserious	non-serious
non-smoking	non smoking
non-standard	nonstandard
nonstop	non-stop
nook and cranny	nooks and crannies
normalization	normalisation
normalize	normalise
northeast	NE
northeast	nor'-east
northeastern	north-eastern
north korea	Democratic People's Republic of Korea
north korea	DPRK
northward	northwards
northwest	NW
northwest	nor'-west
northwest	north-west
northwestern	north-western
norway	Kingdom of Norway
nose around	nose about
nosebleed	nose bleed
nose tackle	NT
no strings attached	without any strings attached
nosy	nosey
nota bene	NB
nota bene	N.B.
not choose women or linen by candlelight	{not} choose {one's} women or {one's} linen in a candlelit room
not count chickens	{not} [count] {one's} chickens before they [are] hatched
not count chickens	{not} [count] {one's} chickens before they [hatch]
not do evil that good come of it	{not} [do] (any|) harm that good (may|might) (come|result) from
not do things by halves	[do] nothing by halves
notetaking	note-taking
notetaking	note taking
note value	value
not for all the tea in china	{not} for all the tea in China
not for the world	not for all the world
not for want of trying	{not} for (the|) lack of trying
not give an even break	{not} [give] a sucker an even break
not give up the day job	{not} [give] up {one's} day job
not have a good word to say for	[have] {not} a good word to say (for|about) {sth}
not have a good word to say for	[have] no good words to say (for|about) {sth}
nothing is forever	nothing lasts forever
nothing is so good for the inside of a man as the outside of a horse	there is nothing so good for the inside of a man as the outside of a horse
nothing must be done hastily but killing of fleas	nothing should be done in haste but gripping a flea
nothing succeeds like success	nothing succeeds as well as success
notice board	noticeboard
no time to lose	no time to be lost
not mention rope in the house of a man who has been hanged	{not} say rope if the owner of the house is a hanged man
not reveal a man's wage and woman's age	a man's age and (a|) woman's age (shall|) concern no (soul|individual)
not reveal a man's wage and woman's age	a man's wage and a woman's age (are two factors that|) shall never be revealed
nouveau realisme	Nouveau réalisme
novella	novelle
no way jose	no way, José
now now	now, now
nuchal translucency screening	NT screening
number cruncher	number-cruncher
nurse practitioner	NP
nursery school	nursery
oasis	oases
obbligato	obligato
obsessive-compulsive disorder	OCD
obstetrics	OB
obvs	obv
ocher	ochre
octadecagon	18-gon
octadecagon	octakaidecagon
octagonal pyramid	oppy
octahedron	octahedra
oculopharyngeal muscular dystrophy	OPMD
oculus	oculi
odissi	Orissi
odor	odour
odorous	odourous
oeil-de-boeuf	œil de bœuf
oeuvre	œuvre
off and on	on and off
off-and-on	on-and-off
offense	offence
offensive tackle	OT
off limits	off-limits
offline	off-line
off the charts	off the chart
of one mind	of the same mind
oh dear	Dear oh dear
oh my god	OMG
oh snap	oh, snap
oi	oy
ok	O. K.
okey-dokey	okey doke
okey-dokey	okey dokey
okey-dokey	okey-doke
olde worlde	olde worlde
old hand	old hand at {sth}
old school	old-school
old wine in a new bottle	old wine in new bottles
ole	olé
olympic games	Olympics
omaha high-low poker	Omaha hi-lo
ombre	ombré
omelet	omelette
omelet	omlette
omelet	omlet
omni directional vehicle	ODV
on a razor's edge	on (a|the) razor edge
on behalf of	on {one's} behalf
on-board	onboard
on-board diagnostics	OBD
once in a lifetime	once in a life time
on demand	on-demand
one day international	ODI
one hand washes the other	one hand washes the other and both wash the face
one in a million	one-in-a-million
one-rep max	1RM
one-shot film	single-shot
one swallow does not make a summer	one swallow does not a summer make
one swallow does not make a summer	one swallow makes not a spring, nor one woodcock a winter
one-time	onetime
one tongue is enough for a woman	one tongue is enough for two women
on everyone's lips	on (anyone's|anybody's) lips
ongoing	on-going
onigiri	nigirimeshi
onigiri	omusubi
only the wearer knows where the shoe pinches	no one knows where the shoe pinches but the one who wears it
only the wearer knows where the shoe pinches	no one knows where the shoe pinches so well as him who wears it
on my way	OMW
on radar	on the radar
on-screen	onscreen
on-screen	on-screen
on-screen	onscreen
on-stage	onstage
on-stage	on stage
on-stage	on-stage
on terms	on (good|friendly) terms with {sb}
on terms	on bad terms with {sb}
on the crest of the wave	[ride] the crest of {sth}
on the cusp	on the cusp
on the off chance	on the off-chance
on the one hand	on one hand
on the part of	on {one's} part
on the point of	upon the point of {sth}
on the q.t.	on the Q.T
on the q.t.	on the QT
on the q.t.	on the qt
onward	onwards
ooh la la	oo-la-la
ooh la la	oh la la
ooh la la	oh là là
open doors to	[open] doors
open doors to	[open] the (door|way) to {sb/sth}
open eyes to	[open] {one's} eyes
open mic	open mike
open-wheel car	open wheel car
operating room	OR
operating system	OS
operating theater	operating theatre
operculum	opercula
opinion poll	public opinion poll
opposite	opp
optimize	optimise
optimum	optima
optometry admission test	OAT
orally disintegrating tablet	ODT
orally disintegrating tablet	orally dissolving tablet
order around	order about
ore	öre
ore	øre
organization	organisation
organizational	organisational
organizationally	organisationally
organization studies	organizational studies
organization studies	organization science
organize	organise
organized	organised
organizer	organiser
oriented	orientated
orofacial pain	OFP
orthopedic	orthopaedic
orthopedic	orthopædic
orthopedics	orthopaedics
orthopedist	orthopaedist
orthorexia nervosa	orthorexia
os	ora
osteoarthritis	OA
osteoarthritis	degenerative joint disease
osteoarthritis	degenerative arthritis
osteoarthritis	Arthrosis
osteopathic manipulative therapy	OMT
ostracize	ostracise
other times other manners	different times, different manners
otomanguean languages	Oto-Manguean language
otorhinolaryngology	otolaryngology
otorhinolaryngology	ORL
ounce	oz
out and out	out-and-out
outcompete	out-compete
outcrop	outcropped
outmaneuver	outmanoeuvre
out of favor	out of favour
out of pocket	{num} out of pocket
out of pocket	outta pocket
out-of-print	OOP
out-of-print	out-of-commerce
out of sight out of mind	once out of sight, forever out of mind
out of work	out-of-work
outre	outré
outside linebacker	OLB
outskirts	outskirt
overdose	OD
overdrive	overdriven
overemphasize	overemphasise
overflow	overflown
overgrazing	over-grazing
overpowered	OP
override	overridden
overseas	oversea
oversimplify	oversimplified
oversized	over-sized
over-the-counter	OTC
overtime	OT
ovolo	ovoli
owe a favor	[owe] {sb} a favour
oxidize	oxidise
oxidize	oxydize
oxygen	O
oxytocin	OXT
pachyonychia congenita	PC
pacy	pacey
padel	pádel
paint a picture of	[paint] a picture
pajamas	pyjamas
pajamas	PJ's
pakistan	Islamic Republic of Pakistan
paleontology	palaeontology
paleontology	palæontology
pallium	pallia
pallor	pallour
panang curry	Phanaeng
panang curry	phanang
pandanus amaryllifolius	pondan
paneer	panir
paneling	panelling
panelist	panellist
pansotti	pansoti
pantyliner	pantiliner
pantyliner	panty liner
paper clip	paperclip
papier-mache	papier-mâché
papier-mache	papier mâché
papier-mache	paper-mache
pap test	Pap smear
pap test	cervical smear
pap test	smear test
papyrus	papyr
para athlete	para-athlete
para-athletics	para athletics
para cycling road	para-cycling road
paralympian	paralympian
paralyze	paralyse
paralyzed	paralysed
para nordic skiing	para-nordic skiing
para triathlon	paratriathlon
para triathlon	para-triathlon
parental guidance	PG
parent-teacher association	PTA
pargeting	pargetting
part brass rags with	[part] brass rags
participle adjective	participial adjective
partisan	partizan
partlet	partlett
part of speech	POS
parvenu	parvenue
pas de bourree	pas de bourreé
paso doble	pasodoble
passe	passé
passer-by	passerby
passion fruit	passionfruit
passive smoking	second-hand smoke
pass judgment	[pass] judgement
pass the torch	[pass] (on|) the (torch|baton) to {sb}
pass the torch	[pass] the (torch|baton) to {sb}
pasteurize	pasteurise
pastor	Pr
pastor	Ptr
pasur	pasoor
pasur	pasour
pat-a-cake	patty-cake
pate	pâté
patella	patellae
patient care technician	PCT
patina	patinae
patissier	pâtissier
patissier	pâtissière
patronize	patronise
patronizing	patronising
pavane	pavan
pay a debt	[pay] {one's} debt
pay as you go	PAYG
pay attention	[pay] {sb/sth} attention
pay-per-click	PPC
payphone	pay-phone
payphone	pay phone
pay respect	[pay] {one's} respects
pay television	pay TV
pay through the nose for	[pay] through the nose
peacock dance	peafowl dance
pedagog	pedagogue
pedestrian hybrid beacon	PHB
pedestrianize	pedestrianise
pediatric	paediatric
pediatrician	paediatrician
pediatrician	pædiatrician
pediatrics	paediatrics
pediatrics	pædiatrics
peekaboo	peek-a-boo
peekaboo	peep-bo
peking opera	Beijing opera
pe kit	PE-kit
pelvic inflammatory disease	PID
penalize	penalise
penciller	penciler
pen-friend	pen friend
penis	penes
penny for your thoughts	a penny for them
penny pincher	penny-pincher
penny-wise	penny wise
pen pal	pen-pal
pentadecagon	15-gon
pentadecagon	pentakaidecagon
pentahedron	pentahedra
peplum	pepla
pepper pot	pepperpot
peptic ulcer disease	PUD
percent	pct
percent	per cent
percent	per centum
per diem	PD
perentie	perenty
performance-enhancing drug	PED
pericardium	pericardia
periphrasis	periphrases
perk ears	[perk|prick] {one's} ears up
pernicious anemia	pernicious anaemia
persona	personae
personal assistant	PA
personal best	PB
personal care aide	PCA
personal computer	PC
personal flotation device	PFD
personal identification number	PIN
personal identification number	PIN number
personalize	personalise
personalized	personalised
personal protective equipment	PPE
pes	pedes
pescatarian	pescetarian
phaeton	phæton
phagotherapy	phage therapy
phalsa	falsa
pharmacy college admission test	PCAT
pharynx	pharynges
phat kaphrao	Pad Kra Pao
phlebotomy wedge	phlebotomy arm wedge
phone around	phone round
phone book	phonebook
phone number	mobile number
phony as a three-dollar bill	(as|) fake as a two-dollar bill
phosphorus	P
photodynamic therapy	PDT
photograph	photo
phylogenesis	phylogeneses
physical education	PE
physical education	Phys Ed
physician's assistant	PA
pick-up line	pickup line
pick-up sticks	pick-a-stick
pick up the bill for	[pick] up the (bill|check|tab)
picture-in-picture	PiP
piece de resistance	pièce de résistance
piecrust table	pie crust table
pied-a-terre	pied-à-terre
pietrain	Piétrain
pigheaded	pig-headed
pig's ass	pig's arse
pigs can fly	when pigs fly
pigs in a blanket	pig in a blanket
pina colada	piña colada
pinata	piñata
pin back ears	[pin] {one's} ears back
pincho	pinchu
pincho	pintxo
pincushion	pin cusion
pinko	pinkoes
pinochle	pinocle
pinochle	penuchle
pint	pt
pip	pipped
pipette	pipet
pique	piqué
pique turn	piqué turn
piranha	piraña
pish posh	pishposh
pitch	High Low Jack
pitchnut	pichenotte
pixel	picture element
pixel	px
pixel	pel
pizza roll	Pizza snack roll
pkhali	mkhali
placenta	placentae
plagiarize	plagiarise
plaguy	plaguey
plain-clothes	plainclothes
plain jane	plain-Jane
planetarium	planetaria
plane ticket	airplane ticket
pla plao	pla pao
plateau	plateaux
platform game	platformer
platform magic	cabaret magic
platform magic	parlor magic
platform magic	stand-up magic
platinum	Pt
play around	play about
play ball with	[play] ball
play by ear	[play] {sth} by ear
play cat and mouse with	[play] a game of cat and mouse
play cat and mouse with	[play] a game of cat and mouse with {sb/sth}
play cat and mouse with	[play] cat and mouse
playdate	play date
player versus player	PvP
play games	[play] games with {sb}
play gooseberry	[feel] like a gooseberry
play the game	[play] that game of {sth}
plectron	plectra
plenty of fish in the sea	the sea is full of fish
pleura	pleurae
plie	plié
plique-a-jour	plique-à-jour
plow	plough
plow into	plough into
plug and play	plug-and-play
plug and play	PnP
plus sign	plus
point-and-shoot camera	P&S
point guard	PG
pointille	Pointillé
point-of-sale display	POS display
point of view	POV
point of view	pov
point the finger at	[point] fingers at {sb}
point towards	point toward
poland	Republic of Poland
polarization	polarisation
polarize	polarise
polarized	polarised
polemicize	polemicise
polio	infantile paralysis
politically correct	PC
pollex	pollices
pollinate	pollenate
pollination	pollenation
polycystic ovary syndrome	PCOS
polyethylene terephthalate	PET
polylactic acid	PLA
polymerase chain reaction	PCR
polythene	polyethylene
polyvinyl chloride	PVC
pons	pontes
poor as job	(as|) poor as Job's turkey
poor man pays twice	the poor man (shall|must) pay twice
poor thing	you poor thing
pop around	pop round
pop filter	pop screen
pop filter	pop shield
pop fly	pop-fly
pop music	pop
popular culture	pop culture
popularize	popularise
porkchop	pork chop
port city	port town
porte-cochere	porte-cochère
portugal	Portuguese Republic
positron emission tomography	PET
postgraduate	postgrad
postminimalism	post-minimalism
post office	PO
post of honor is the post of danger	the post of honour is the post of danger
postpartum depression	post-partum depression
postscript	PS
post-traumatic stress disorder	PTSD
postwar	post-war
potassium	K
pottage	potage
potter around	potter about
pound-foolish	pound foolish
pound for pound	pound-for-pound
pour heart out	[pour] out {one's} [heart]
powder room	half bath
powwow	pow-wow
prader–willi syndrome	PWS
pram	perambulator
precis	précis
preeclampsia	pre-eclampsia
preeminent	pre-eminent
preempt	pre-empt
preempt	preëmpt
preexist	pre-exist
preferans	Russian Preference
prehistoric	prehistorical
preimplantation genetic testing	PGT
pre-kindergarten	pre-K
pre-kindergarten	PK
preparatory school	prep school
preposition stranding	p-stranding
preschool	pre-school
press freedom	freedom of press
pressurize	pressurise
presto chango	presto change-o
pre-tax	pretax
preteen	pre-teen
pretense	pretence
pretense	prætense
preterm	pre-term
prettify	prettified
prevail on	prevail upon
prey on	prey upon
price fixing	price-fixing
pricey	pricy
pride on	[pride] {oneself} upon
primary care physician	PCP
primary ovarian insufficiency	POI
prime minister	PM
principal dancer	principal
print out	print off
prioritize	prioritise
prisoner of war	POW
private investigator	PI
privatize	privatise
problem-based learning	PBL
problem solving	Problem-solving
proboscis	proboscides
professional science master's	PSM
professor	Prof
program	programme
progressive rap	progressive hip hop
progressive rock	prog
progressive rock	prog rock
prokaryote	procaryote
prolegomenon	prolegomena
prologue	prolog
promises are like pie crust made to be broken	promises are like [pie-crust], (they are|) made to be broken
promises are like pie crust made to be broken	promises are like [piecrust], (they are|) made to be broken
promise the moon	[promise] {sb} the stars
promise the moon	[promise] the (moon|earth|world)
promise the moon	[promise] the stars
pronounce on	pronounce upon
propel	propelled
propellant	propellent
propeller	propellor
proselytize	proselytise
protege	protégé
prothorax	prothoraces
provencale	provençale
provisional license	provisional licence
pryanik	prianik
psychedelic funk	P-funk
psychedelic pop	acid pop
psychedelic trance	psy
psychedelic trance	psytrance
psychological drama	psychodrama
publicize	publicise
publicized	publicised
public-private partnership	PPP
public relations	PR
public relations officer	PR officer
public relations officer	PRO
public service announcement	PSA
public service loan forgiveness	PSLF
pudendum	pudenda
puerto rico	PR
pull into	pull in
pull punches	{not} [pull] {one's} punches
pull punches	{not} [pull] any punches
pulmonology	pneumonology
pulverize	pulverise
pump fake	pump-fake
pun	punned
punching bag	kicking bag
punch line	punch-line
punch line	punchline
punk rock	punk
pup	pupped
pupa	pupae
purchase order	PO
puree	purée
push around	push round
push around	push about
put into words	[put] into words
put off until tomorrow what can do today	[put] off (until|till) tomorrow what can be (done|wrapped up|achieved) today
put off until tomorrow what can do today	[put] off today's work (until|till) tomorrow
put on a brave face	[put] a brave face on {sth}
put on a brave face	[put] on a front
put on airs	[give] {oneself} airs
put on to	put onto
put out feelers	[put] the feelers out
put the brakes on	[put] a brake on
put the brakes on	[put] on the brakes
put the cat among the pigeons	[put|set|throw] the cat amongst the pigeons
put towards	put toward
putty	puttied
put up to	put up {sb} {to do sth}
qa'a	qaa
qatayef	katayef
qatayef	qata'if
quadriceps	quad
quadrilateral	tetragon
quality control	QC
quantum	quanta
quarterback	QB
quarter tone	quarter-tone
quarter tone	quartertone
queen-size	queen-sized
queer pitch	[queer] the pitch
quickstep	quickstepped
quick time event	QTE
quiet as a mouse	(as|) meek as a mouse
quiet down	quieten down
quintuplet	quint
quintuplet	quin
race walking	racewalking
rack brain	[wrack] {one's} [brain]
radian	rad
radicalize	radicalise
rafting	whitewater rafting
rafting	white water rafting
rafting	white-water rafting
rag	ragged
rag-and-bone man	ragpicker
ragù	ragu
railwayman	railway man
rainforest	rain forest
raise a glass	[raise] {one's} glass
raise eyebrows	[raise] {one's} eyebrows
rake over the coals	[rake] over the coals
rally around	rally round
r&r	R & R
r&r	R and R
rancor	rancour
rancorous	rancourous
random-access memory	RAM
randomize	randomise
rangefinder	range finder
rapid eye movement	REM
rap opera	hip hopera
rarefied	rarified
rationalization	rationalisation
rationalize	rationalise
reading books removes sorrow from the heart	reading books shall remove sorrow from the heart
read like a book	[read] {sb} like an open book
read-only memory	ROM
read the riot act	[read] the riot act to {sb}
real eyes realize	real eyes realize real lies
real eyes realize	real eyes realise
real eyes realize	real eyes realise real lies
realizable	realisable
realization	realisation
realize	realise
real-time bidding	RTB
real-time strategy game	RTS game
rear-projection television	RPTV
rearview mirror	rear-view mirror
rebound on	rebound upon
received pronunciation	RP
reckon without	[reckon] without {one's} host
recognizable	recognisable
recognizably	recognisably
recognizance	recognisance
recognize	recognise
recognized	recognised
reconnoiter	reconnoitre
record producer	music producer
recreate	re-create
recreational vehicle	RV
recreational vehicle	R.V.
recreation room	rec room
rectum	recta
recycle bin	recycling bin
red as a beet	(as|) red as beets
red as a cherry	(as|) red as cherries
red blood cell	RBC
red blood cell antibody screen	RBC antibody screen
red blood cell count	RBC count
redbrick	red-brick
red cell distribution width blood test	RDW blood test
redshift	red shift
red spider mite	red spider
reelect	re-elect
reelect	reëlect
reevaluate	re-evaluate
reevaluate	reëvaluate
reeve	rove
reexamine	re-examine
reexamine	reëxamine
reflect on	reflect upon
reflexion	reflection
refrigerator	fridge
refuel	refuelled
regime	régime
registered nurse	RN
regrowth	re-growth
rejoice	rejoyce
releve	relevé
religious education	RE
rely	relied
rely on	rely upon
remote keyless system	RKS
reorganize	reorganise
repellent	repellant
repetiteur	répétiteur
repetitive strain injury	RSI
repousse	Repoussé
reprise	reprize
resell	re-sell
resident assistant	resident advisor
resident assistant	RA
restaurateur	restauranter
rest eyes on	[rest] {one's} (eyes|gaze|glare) upon {sb/sth}
rest in peace	RIP
rest in peace	R.I.P.
restless leg syndrome	RLS
rest on	rest upon
resume	résumé
retina	retinae
retire	retiré
return a call	[return] {one's} call
return key	return
revenge is a dish best served cold	revenge is a dish that can be eaten cold
revitalize	revitalise
revitalizing	revitalising
revolutionize	revolutionise
revolve around	revolve round
rewind	rewound
rhapsodize	rhapsodise
rheumatic fever	RF
rh factor	Rh
rhinoceros	rhino
rhombus	rhombi
rhythm and blues	R&B
rhythm and blues	R'n'B
rhythm and blues	R and B
rickshaw	ricksha
ride a wave of	[ride] on (a|the) wave of {sth}
ride on coattails	[ride] on {one's} coat-tails
ride out the storm	[ride] the storm out
rig	rigged
right and left	left and right
right does not know what the left is doing	the left (hand|) [do] not know what the right (hand|) [is] doing
right field	rightfield
right node raising	RNR
right now	RN
rigmarole	rigamarole
rigor	rigour
rigorous	rigourous
rim	rimmed
ring out the old	[ring] out the old (year|) and [ring in] in the new
risley	risley act
risque	risqué
rna	ribonucleic acid
road works	roadworks
robe-de-chambre	robes-de-chambre
robin egg blue	eggshell blue
rock and roll	rock 'n' roll
rock and roll	rock'n'roll
rock and roll	rock-and-roll
rock and roll	rock n roll
rock and roll	rock 'n roll
rock and roll	rock-n-roll
rock and roll	rock-'n'-roll
rock and roll	rock & roll
rock music	rock
rock-paper-scissors	rock paper scissors
rocky mountain spotted fever	RMSF
rocky mountain spotted fever	mountain fever
role	rôle
role play	role-play
role-playing game	RPG
rolling globe	walking globe
roll up sleeves	[roll] {one's} sleeves up
roly-poly toy	wobble doll
roly-poly toy	tumbler
romantic comedy	romcom
romantic comedy	rom-com
root around	root about
rose	rosé
rose water	rosewater
rostrum	rostra
rotten apple injures its neighbors	the rotten (apple|tooth) injures its neighbours
rough and ready	rough-and-ready
round on	round upon
round trip	round-trip
rsvp	Répondez s’il vous plaît
rubab	rabab
rubab	robab
rubberstamp	rubber-stamp
rub salt in the wound	[rub] salt (in|into) {one's} wounds
ruffle feathers	[ruffle] (the|) feathers
rules are made to be broken	there is an exception to every rule
rumor	rumour
run amok	[run] amuck
run around	run about
run around after	run round after
run around after	run about after
run batted in	RBI
run circles around	[run] (circles|rings) round {sb/sth}
rundown	run-down
run eye over	[run|cast] an eye over {sth}
running back	RB
runoff	run-off
russia	Russian Federation
russia	RU
russian bank	Crapette
russian bank	Tunj
russian bar	Russian barre
saber	sabre
sabich	sabih
sable	sablé
saccharify	saccharified
sacrum	sacra
safe bet	good bet
safe bet	sure bet
sailing race	sailing-race
saint	St.
saint	S.
saint valentine's day	St. Valentine’s Day
sales representative	sales rep
salt spoon	saltspoon
same fire that melts the butter hardens the egg	the same water that softens the potato, hardens the egg
samgyeopsal	samgyeopsal-gui
samgye-tang	samgyetang
sami languages	Sámi language
sandbag	sandbagged
sandungueo	perreo
san francisco	SF
sangfroid	sang-froid
sanitarium	sanitaria
sanitize	sanitise
sans serif	sans-serif
santur	santoor
santur	santour
sari	saree
satellite navigation	satnav
satellite navigation	satnav system
satellite navigation	satellite navigation system
satirize	satirise
saudi arabia	Kingdom of Saudi Arabia
saute	sauté
saute pan	sauté pan
saved by the bell	saved {sb} by the bell
save face	[save] {one's} face
savior	saviour
savor	savour
savoriness	savouriness
savorless	savourless
savorlessness	savourlessness
savory	savoury
sawtooth roof	saw-tooth roof
saxophone	sax
saying and doing are two things	saying is one thing, doing is another
say it do not spray it	[say] it, {not} [spray] it
scaccia	scacciata
scaccia	sciachiatta
scapula	scapulae
scar	scarred
scat	scatted
schmaltz	schmalz
schmaltzy	schmalzy
schmo	schmoes
schoolmistress	mistress
school teacher	schoolteacher
school voucher	education voucher
school voucher	voucher system
science center	science centre
science fiction	sci-fi
science fiction	SF
scottish terrier	Scottie
scrag	scragged
scratchcard	scratch card
scratch the itch	[scratch] {one's} itch
screen printing	screen-printing
scroll bar	scrollbar
scrotum	scrota
scrutinize	scrutinise
scuba diving	scuba-diving
seahorse	sea horse
seance	séance
search and rescue	SAR
seashell	sea shell
seasonal affective disorder	SAD
seat belt	seatbelt
sebil	sabil
second bite at the cherry	another bite at the cherry
second class honours degree	second-class honours degree
second class honours degree	second class
second class honours degree	second-class
second class honours degree	second
second gear	second
secondhand	second-hand
seedy	seedier
seeing eye dog	seeing-eye dog
see round	see around
seesaw	see-saw
see which way the cat jump	[wait] for the cat to jump
see you	cu
see you	see ya
self-conscious	selfconscious
self-defense	self-defence
semantic pragmatic disorder	SPD
semi-detached	semidetached
semitrailer	semi-trailer
senet	senat
senior	Sr
senor	Señor
senora	Señora
senorita	Señorita
sense of humor	sense of humour
sensitization	sensitisation
sensitize	sensitise
sensitized	sensitised
seo expert	search engine optimization expert
separate the sheep from the goats	[sort] the sheep from the goats
september	Sep
september	Sept
septum	septa
sepulcher	sepulchre
serefe	Şerefe
sermonize	sermonise
serum	sera
set a beggar on horseback and he will ride to the devil	set a beggar on horseback, and off to the devil he rides
set alarm bells	[raise] alarm bells
set alarm bells	[set|sound|ring|raise] an alarm bell
set a thief to catch a thief	[set] thieves to catch thieves
set free	[set] free
set heart on	[have] {one's} heart set on {sth}
set on	set upon
set straight	[set|put] the record straight
settle on	settle upon
setup	set-up
sexually transmitted disease	STD
sgraffito	sgraffiti
sham	shammed
shanklish	chancliche
shanklish	shankleesh
shanklish	shinklish
shanklish	sorke
shanklish	sürke
shanks' mare	shanks's mare
shank's pony	shanks' pony
shapely	shapelier
sharp as a razor	sharp-as-a-razor
sharpest tool in the shed	the brightest bulb on the Christmas tree
sharpest tool in the shed	the sharpest knife in the drawer
sharpest tool in the shed	the sharpest pencil in the (box|drawer|cup)
shashlik	shashlick
shellfish	shellfishes
shh	sh
shiitake	shitake
shooting guard	SG
shoot off mouth	[shoot] {one's} mouth off
shopping center	shopping centre
shortchange	short-change
short reckonings make long friends	even reckoning maketh long friends
short-term memory	STM
shout out	SO
shove down throat	[thurst] {sth} [down] {one's} [throat]
show around	show round
showstopper	show-stopper
shtick	schtick
shtick	schtik
shtick	shtik
shut your mouth	shut your face
side-view mirror	side view mirror
signaler	signaller
signaling	signalling
signed and sealed	signed, sealed, and delivered
silence is half consent	silence means concent
silent movie	silent film
silicon	Si
silverfish	silverfishes
simulacrum	simulacra
simulation video game	sim
sing before breakfast you will cry before night	don't sing before breakfast if you don't want to cry at night
single-point urban interchange	SPUI
sit around	sit about
sittuyin	Burmese chess
situation drama	sitdram
six-figure	six figure
sixteenth note	semiquaver
sixty-fourth note	hemidemisemiquaver
sizable	sizeable
sjogren’s syndrome	Sjögren's syndrome
skate park	skatepark
skeet shooting	clay shooting
skeet shooting	trap shooting
skeet shooting	sporting clays
skeleton in the closet	skeleton in {one's} closet
skeleton in the cupboard	skeleton in {one's} cupboard
skeptic	sceptic
skeptical	sceptical
skeptically	sceptically
skepticism	scepticism
skibobbing	ski-bobbing
skibobbing	ski bobbing
ski jumping	Jump skiing
skillful	skilful
skillful	skilfull
skillfully	skilfully
skinny as a beanpole	(as|) skinny as a stick
skinny as a beanpole	(as|) skinny as a toothpick
skirt around	skirt round
skyscraping	sky-craping
skyward	skywards
slackwire	slack wire
slag	slagged
slap bang	slap-bang
slat	slatted
slave labor	slave labour
slip-joint pliers	slip joint pliers
slip of the ear	slip of {one's} ear
slovakia	Slovak Republic
slushie	slushee
slushie	slushie
smack dab	smack-dab
smart-arse	smart arse
smart-arse	smartarse
smart-ass	smart ass
smart-ass	smartass
smartphone	smart-phone
smile on	smile upon
smite	smit
smooth seas do not make skillful sailors	a calm sea does not make a skilled sailor
snug as a bug in a rug	(as|) snug as bugs in rugs
soap opera	soap
social distancing	physical distancing
socialize	socialise
socializing	socialising
sociocultural theory of cognitive development	sociocultural theory
sod it	sod that
sod it	sod you
sodium	Na
so far so good	so far so good, knock on wood
soiree	soirée
solarization	solarisation
sold-out	sold out
solid-state drive	SSD
solidus	solidi
soma	somata
somber	sombre
somberness	sombreness
some are wise some are otherwise	some are nice, some are wise, and some are otherwise
somebody	sb
something	sth
son et lumiere	son et lumière
songwriting	song-writing
sop	sopped
sorani	Soranî
sort of	sorta
souffle	soufflé
soul jazz	funky jazz
soul music	soul
sound a note	strike a note
sound the death knell	[sound|toll|ring] the death-knell
soupcon	soupçon
sour	sower
sour	sowre
southeast	SE
southeast	sou'-east
southeast	south-east
southeastern	south-eastern
south korea	Republic of Korea
southwest	SW
southwest	sou'-west
southwestern	south-western
souwester	sou'wester
sow the seeds of	[sow|plant] (a|the) seed of {sth}
spaghetti bolognese	spaghetti bolognaise
spain	Kingdom of Spain
span	spanned
spanakopita	spanakotiropita
spar	sparred
spare tire	spare tyre
spatial	spacial
speak of the devil and he shall appear	(speak|talk) of the devil and he is (sure|bound) to appear
speak of the devil and he shall appear	talk of the devil and he'll be sure to appear
speak of the devil and he shall appear	talk of the devil, and he'll either come or send
special effects	SFX
special forces	SF
special interest group	SIG
special interest group	special-interest group
specialize	specialise
specialized	specialised
special k	special K
specialty	speciality
specific language impairment	SLI
spectacles	specs
specter	spectre
speculum	specula
speech is silver silence is golden	silence is golden
speed skater	speedskater
spicy	spicey
spiral down	spiral downward
spiral down	spiral downwards
spirit is willing but the flesh is weak	only the spirit is willling
splashy	splashier
splayd	splade
splendor	splendour
splenic flexure	left colic flexure
spoiled	spoilt
spoilt for choice	spoiled for choice
spoil the ship for a ha'porth of tar	[spoil] the ship for a ha’penny-worth of tar
sportbike	sport bike
sports center	sports centre
sport utility vehicle	SUV
sport utility vehicle	sport utility
spotlight	spotlit
spring-cleaning	spring cleaning
spritzgeback	spritzgebäck
spud	spudded
sputum	sputa
spy on	spy upon
squamous cell carcinoma	SCC
squash racket	squash racquet
squeegee	squilgee
stabilize	stabilise
stabilizer	stabiliser
stab in the back	[stab] in the back
stage magic	stage illusion
stagy	stagey
standardization	standardisation
standardize	standardise
standardized	standardised
standardizer	standardiser
standard of living	living standard
stand around	stand round
stand around	stand about
stand-up paddle board	SUP board
stand-up paddleboarding	stand-up paddleboarding
stand-up paddleboarding	SUP
stapes	stapedes
staple gun	staplegun
starchy	starchier
starfish	starfishes
starting price	SP
start-up	startup
state of the art	SOTA
static trapeze	fixed trapeze
statistics	stats
staunchly	stanchly
steal a march	[steal] a march
steelpan	steel drum
steel square	square
steer clear of	steer clear
stele	stela
stele	stelae
step into shoes	[step] into the shoes of {sb}
stereotactic surgery	SRS
sterilization	sterilisation
sterilize	sterilise
stetson	stetson
sticke	stické
sticke	sticke tennis
stick figure	stick drawing
stick neck out	[stick] out {one's} neck for {sb}
stiff a waiter	[stiff] waiters
stigmatize	stigmatise
still waters run deep	still water runs deep
stock keeping unit	SKU
stoma	stomata
stomachache	stomach ache
stone sober	stone-sober
stoplight	stop light
stop signal overrun	SSO
straight as a ramrod	(as|) (straight|stiff) as a ramrods
straight away	straightaway
street child	street_children
street dance	urban dance
street skateboarding	street skating
streets of are paved with gold	the streets [are] paved with gold
stressed-out	stressed out
stretch limousine	stretch limo
stria	striae
stride jazz piano	stride
strike a chord with	[strike|touch] a chord
stringbed	string bed
string instrument	stringed instrument
string lighting	string lights
stroke ego	[stroke] the ego of {sb}
stubborn as a mule	(as|) stubborn as mules
student-centered learning	SCL
student id card	student card
stuffed toy	plush toy
stumble on	stumble upon
stumble on	stumble across
stuntman	stunt man
sturdy	sturdier
style shifting	style-shifting
stylized	stylised
stymie	stymy
subgenus	subgenera
sublet	subletting
submachine gun	SMG
submachine gun	sub-machine gun
subpar	sub-par
subphylum	subphyla
sub-primal cut	retail cut
sub-primal cut	secondary cut
subsidize	subsidise
substratum	substrasta
subterranean	subterraneous
sub-zero	subzero
suckerfish	suckerfishes
sudden infant death syndrome	SIDS
sugar cane	sugarcane
sugarcoat	sugar-coat
suit every pocket	[suit] all pockets
sulcus	sulci
sulfur	sulphur
sulfur	S
summarize	summarise
sum of its parts	(more|greater|better) than the sums of their parts
sunbathing	sun bathing
sunblock	sun blocker
sunny-side up	sunny side up
sunny-side up	sunnyside up
sup	supped
super bowl	Superbowl
supercross	AMA Supercross
supernova	SN
supersensitized	supersensitised
suppressor	Suppresser
surgical technician	operating room technician
surgical technician	scrub
surgical technician	srub tech
surgical technician	surgical technologist
swan song	swan-song
sweatpants	sweat pants
sweden	Kingdom of Sweden
sweep before your own door	everyone should sweep before (his|their|her) own door
sweet corn	sweetcorn
sweet things are bad for teeth	sweet things are bad for {one's} teeth
sweet things are bad for teeth	sweet things can be bad for {one's} teeth
sweet things are bad for teeth	sweet things can be bad for teeth
sweet things are bad for teeth	sweet things tend to be bad for {one's} teeth
sweet things are bad for teeth	sweet things tend to be bad for teeth
swelled head	swollen head
swing around	swing round
swiss-suited playing card	Swiss deck
switch around	switch round
switzerland	Swiss Confederation
swordfish	swordfishes
syllabus	syllabi
syllepsis	syllepses
symbolize	symbolise
sympathize	sympathise
symposium	symposia
synchronize	synchronise
synchronize	sync
synesthesia	synaesthesia
synonym	syn
synthesize	synthesise
synthesizer	synthesiser
synthesizer	synth
syrinx	syringes
syrniki	syrnyky
syrupy	sirupy
systematize	systematise
systemize	systemise
tabbouleh	tabooli
table of contents	TOC
tablespoon	tbsp
table tennis	ping pong
taboo	tabu
taekwondo	tae kwon do
tail light	taillight
tail wagging the dog	the tail [is] wagging the dog
tajine	tagine
takahe	takahē
take a chance	[take] chances
take a complaint	[take] {one's} complaint
take a cue from	[take] {one's} cue from {sb/sth}
take ages	[take] {sb} ages
take a look in the mirror	[take] a long (hard|) look in the mirror
take a lot out of	[take] it out of {sb}
take a picture	[take] a (photo)
take a picture	[take] a (photograph)
take a picture	take a picture, it (will last|lasts) longer
take around	take round
take a seat	[take] {one's} seat
take hostage	[hold] {sb} hostage
take in stride	[take] {sth} in {one's} stride
take into account	[take] account of {sth}
take into account	[take] into account
take life	[take] the life of {sb}
take life	[take] a life
take matters into own hands	[take] the situation into {one's} own hands
takeoff	take-off
take side	[take] sides with {sb/sth}
take stock of	[take] stock
take temperature	[take] the temperature of {sb/sth}
take the edge off	[take] the edge off
take the gilt off the gingerbread	[take] the gilt off {one's} gingerbread
talc	talcked
talk around	talk round
tallith	tallaisim
talus	tali
tangent	tan
tankobon	tankōbon
tanpura	tambura
tantalize	tantalise
tantalizing	tantalising
tape measure	tape
tarantella	tarantelle
tarry	tarried
tarsus	tarsi
tar with the same brush	[tar] with the same brush as {sb}
tayra	taira
teachers die but books live on	(all|) teachers (shall|) die, but as for books, they (shall|) live on
teachers die but books live on	teachers come and go, but books carry on
tea room	tearoom
teaspoon	tsp
teddy bear	teddy
teeter-totter	teetertotter
teetotaler	teetotaller
televise	televize
television	TV
television program	TV program
television program	television programme
television program	TV programme
television show	TV show
tell me and i will forget show me and i may not remember involve me and i will understand	tell me and I wil forget, show me, and I may not remember, involve me and I shall never forget
tell you what	I will tell you what
template	templet
tempo	tempi
temporize	temporise
tenderize	tenderise
tend towards	tend toward
tenfold	ten-fold
ten-four	10-4
tennis racket	tennis racquet
ten out of ten	10/10
terminus	termini
terracotta	terra cotta
terracotta	terra-cotta
terrarium	terraria
terrorize	terrorise
test of english as a foreign language	TOEFL
tete-a-tete	tête-à-tête
tetradecagon	14-gon
tetradecagon	tetrakaidecagon
tetrahedron	tetrahedra
text to speech	TTS
text to speech	text-to-speech
textured vegetable protein	TVP
thailand	Kingdom of Thailand
thailand	Siam
thalamus	thalami
thalassemia	thalassaemia
thank god	Thank Goodness
thank god	Thank heavens
thanks	thx
thanks	tnx
thank you	ty
that is the way the cookie crumbles	that is how the cookie crumbles (in the market|)
that's enough	enough already
theater	theatre
theater-going	theatre-going
theatrical seance	theatrical séance
the longest way round is the nearest way home	the furthest way about is the nearest way home
the nail that sticks out gets hammered down	the nail that sticks out, gets the hammer
theorize	theorise
theorizing	theorising
thereabouts	thereabout
there are none so blind as those that will not see	none so blind as those (that|who) will not see
there are none so blind as those that will not see	who so blind as he that will not see
there are none so deaf as those that will not hear	none so deaf as those who will not hear
there are two sides to every question	every question hath two sides
there is always a first time	first time for everything
there is a remedy for everything except death	only death has no cure
there is a time and place for everything	everything (has|hath) its time and place
there is honor among thieves	there is honour (even|) among thieves
there is many a slip twixt cup and lip	there is many a slip (twixt|between) the cup and the lip
there is more than one way to skin a cat	there are many ways to skin a cat
there is more to than meet the eye	there is more than what meets the eye
there is no fool like an old fool	an old fool is the worst of fools
there is no fool like an old fool	old fools are the worst of fools
there is no great loss without some gain	there is no great loss without (some|) (small|) profit
there is no joy without alloy	no joy without alloy
there is no place like home	no place like home
there is no place like home	wherever you wander, there is no place like home
there is no smoke without fire	no smoke without fire
there is no smoke without fire	where there is smoke, there is fire
there is no such thing as free lunch	there is no free lunch
there may be blue and better blue	if there is blue, (then|) there is better blue
thesaurus	thesauri
these things happen	it happens
they are not dead who live in the hearts they leave behind	to live in hearts we leave behind is not to die
they that live longest see most	those who live (the|) longest, see (the|) most
thigh lift	thighplasty
think highly of	[think] (much|more) of {sb}
think little of	[think] less of {sb}
think nothing of	{not} [think] anything of {sth}
think outside the box	[think] out of the box
third class honours degree	third-class honours degree
third class honours degree	third class
third class honours degree	third-class
third class honours degree	third
third gear	third
third-person narrative	third person
third-person shooter	TPS
thirteen	Tien Len
thirty-second note	demisemiquaver
this and that	this, that and the other
thorax	thoraces
thorn in side	thorn in the (side|flesh) of {sb/sth}
thralldom	thraldom
thrashcore	fastcore
thrash metal	thrash
three-dimensional	3-dimensional
three-dimensional	3D
three-dimensional	3-D
three-dimensional	three-d
threefold	three-fold
three may keep a secret if two are dead	three (may|might) keep counsel, if two be away
three-quarter length sleeve	3/4 length sleeve
through	thru
throw a curveball	[throw] {sb} a curve ball
throw it over the wall	[throw] {sth} over the wall
throw money out the window	[throw] {one's} money out the window
throw pillow	accent pillow
throw pillow	decorative pillow
throw the baby out with the bathwater	[throw] out the baby with the bathwater
thud	thudded
thunder thighs	thunder-thighs
thymus	thymi
tibia	tibiae
tick away	tick by
tick away	tick on
tick away	tick past
ticket machine	ticket vending machine
ticket machine	TVM
tickled pink	tickled to death
tight-fisted	tightfisted
time-of-flight camera	ToF camera
time-worn	timeworn
timpani	tympani
timpani	tympanum
timpanist	tympanist
titmouse	titmice
tl;dr	TLDR
toadfish	toadfishes
toast hawaii	Hawaiian Toast
to a tee	to (a|the) T
tobacco	tobaccoes
to be honest	tbh
to die for	to-die-for
to each own	each to {one's} own
to forget wrong is the best revenge	forgetting a wrong is a mild revenge
tog	togged
to hell with	the hell with
tollbooth	toll booth
tollbooth	tolbooth
tom kha gai	Tom kha kai
tom yum	tom yam
tongues wag	tongues [are] wagging
tongues wag	tongues [begin] to wag
toodeloo	toodel-oo
toolbox	tool box
too much information	TMI
toon shading	Cel-shaded animation
tooshie	tushie
tooshie	tooshy
tooshie	tooshie
topical anesthesia	topical anaesthesia
topical anesthetic	topical anaesthetic
top of the agenda	(at the|) top of {one's} (agenda|list)
top of the line	top-of-the-line
top of the range	top-of-the-range
torso	torsi
torus	tori
toss-up	tossup
totes magotes	totes my goats
to the pure all things are pure	all things are pure to the pure
to the victor go the spoils	to the victor, the spoils
touch and go	touch-and-go
touche	touché
touch heart	[touch] the heart of {sb}
touch heart	[touch] heart
touchpad	touch pad
touchscreen	touch screen
touraco	touracos
tourette syndrome	Tourette's syndrome
tourette syndrome	Tourette's
tourette syndrome	TS
tourist information office	tourist office
tour jete	tour jeté
town center	town centre
town house	townhouse
toxic shock syndrome	TSS
toxic shock syndrome	toxic shock
toxic waste	toxic industrial waste
trachea	tracheae
track bed	trackbed
tracking shot	dolly shot
tractor-trailer	tractor trailer
traditional climbing	trad climbing
traffic light label	traffic light labelling
tragus	tragi
trammel	trameled
trance music	trance
tranquility	tranquillity
tranquilize	tranquillise
tranquilize	tranquilise
tranquilize	tranquillize
tranquilizer	tranquilliser
tranquilizer	tranquiliser
tranquilizer	tranquillizer
tranquillizing	tranquillising
tranquillizing	tranquilising
tranquillizing	tranquilizing
transcendental meditation	TM
transcortical motor aphasia	TMA
transcortical sensory aphasia	TSA
transferable	transferrable
transgender	trans
trapezium	trapezia
trap shooting	clay shooting
trap shooting	Skeet shooting
trap shooting	sporting clays
trauma	traumata
traumatize	traumatise
traveler	traveller
traveler's check	traveller's cheque
traveling	travelling
travelog	travelogue
travel-sick	travel sick
tray bake	traybake
trendsetting	trend-setting
tricks of the trade	tricks of {one's} trade
tricolor	tricolour
tridecagon	13-gon
tridecagon	triskaidecagon
tried and true	tried-and-true
trigonometry	trig
triple-a	AAA
trivialize	trivialise
trompe l'oeil	trompe l'œil
trompe l'oeil	trompe-l'œil
troubleshoot	trouble-shoot
trusty	trustier
truth is the first casualty of war	in war, truth is the first casualty
tsetse fly	tzetze fly
t-shirt	tee shirt
tsk	tch
tsk	tst
tteokbokki	Tteok-bokki
tuberculosis	TB
tumor	tumour
tumor protein p53 gene	TP53 gene
tumor protein p53 gene	P53 gene
tumor protein p53 genetic test	TP53 genetic test 
tumor protein p53 genetic test	P53 genetic test
turf	turves
turfing	turf dancing
turkey	Republic of Turkiye
turkey	Republic of Türkiye
turn around	turn round
turner syndrome	turner's syndrome
turn the clock back	[turn] {one's} clock back
turn the clock forward	[turn] {one's} clock forward
tu-whit tu-whoo	tu-whit, tu-whoo
twelve	12
twenty20	T20
twenty-four seven	24/7
twenty-three skidoo	23 skidoo
twig	twigged
twin-lens reflex camera	TLR
twofold	two-fold
two in distress makes sorrow less	two in distress make [sorrow] less
two is company three is a crowd	crowd is not company
two is company three is a crowd	two is company, but three is none
two wrongs make a right	two wrongs fail to make a right
tympanum	tympana
typewrite	typewritten
tyrannize	tyrannise
tyro	tiro
ugli	uglies
uh-huh	uh huh
uh-huh	uhuh
uh-oh	uh oh
uh-uh	unh-uh
ui designer	user interface designer
uk garage	UKG
ukulele	uke
ulna	ulnae
ultimate fighting championship	UFC
ultimate frisbee	ultimate
ultramarathon	ultra marathon
ultraviolet	UV
ultra-wide	ultrawide
umbilicus	umbilici
umbra	umbrae
unauthorized	unauthorised
unbind	unbound
uncivilized	uncivilised
uncle tom cobley and all	Uncle Tom Cobleigh and all
undergrad	undergraduate
underpin	underpinned
underwater rugby	UWR
underway	under way
unequaled	unequalled
unfavorable	unfavourable
unfavorably	unfavourably
unflavored	unflavoured
unfulfilled	unfulfiled
unglamorous	unglamourous
unidentified flying object	UFO
unionized	unionised
united kingdom	UK
united nations	UN
united states	United States of America
united states	America
united states	USA
united states	US
united states	the States
united states marine corps	USMC
united states marine corps	United States Marines
united states marine corps	U.S. Marine Corps
unity is strength	in unity lies strength
universal joint	U-joint
university	uni
university counseling center	UCC
university technical college	UTC
unmechanized	unmechanised
unpasteurized	unpasteurised
unrecognized	unrecognised
unrivaled	unrivalled
unsavory	unsavoury
unscramble scrambled eggs	[unscramble] a scrambled egg
unscramble scrambled eggs	once the eggs are scrambled, there's no unscrambling them
unscramble scrambled eggs	scrambled eggs are better left scrambled
unscramble scrambled eggs	scrambled eggs are not to be unscrambled
unshakable	unshakeable
unspoiled	unspoilt
untie	untying
until death do us part	until death do part
until now	til now
unwrap	unwrapped
upright piano	upright
up-to-date	up to date
up to eleven	up to 11
uranium	U
urbanization	urbanisation
urbanized	urbanised
urethra	urethrae
user interface	UI
uterus	uteri
utility vehicle	UV
utilize	utilise
uvula	uvulae
ux designer	user experience designer
vagina	vaginae
valentine's day	Valentine Day
vale of years	vale of {one's} years
valor	valour
valorous	valourous
valorously	valourously
value-added tax	VAT
vandalize	vandalise
vapor	vapour
vaporize	vaporise
vaporize	vapourise
vaporize	vapourize
vaporizer	vaporiser
vaporizer	vapouriser
vaporizer	vapourizer
vaporous	vapourous
vapors	vapours
variable-message sign	VMS
varicolored	varicoloured
v-cut	v cut
veena	vina
vena	venae
vendeen	Vendéen
vendible	vendable
vendor	vender
venereal disease	VD
vented brush	vent brush
veranda	verandah
verbalize	verbalise
versus	v
versus	v.
versus	vs
versus	vs.
vertical skateboarding	vert skateboarding
very important person	VIP
vesica	vesicae
veterinarian	vet
veterinary	vet
veterinary surgeon	vet
vial	phial
vibrissa	vibrissae
vice chancellor	vice-chancellor
vice-principal	vice principal
victimize	victimise
vicuna	vicuña
video assistant referee	VAR
videocassette recorder	VCR
video game console	games console
video game console	game console
video jockey	veejay
video jockey	VJ
videonystagmography	VNG
video on demand	video-on-demand
video on demand	VOD
vigor	vigour
vigorous	vigourous
vigorously	vigourously
villus	villi
virginia reel	reel
virtual private network	VPN
virtual reality	VR
virtue is its own reward	virtue is a reward on its own
virtue signaling	virtue signalling
vis-a-vis	vis-à-vis
visual effects	VFX
visualize	visualise
vocalize	vocalise
voice-controlled	voice controlled
voicemail	voice mail
voila	voilà
volcanology	vulcanology
volt	V
volta	volte
volumize	volumise
vrddhi	vṛddhi
waacking	whacking
wacky	whacky
wagon	waggon
wagon-lit	wagons-lits
wait around	wait about
wait on	wait upon
wakeboard	wake board
warm-hearted	warmhearted
wartenberg wheel	Wartenberg neurowheel
wartenberg wheel	Wartenberg pinwheel
washing-up liquid	washing up liquid
waste time	[waste] time
watchlist	watch list
water boiler	electric water boiler
water closet	WC
watercolor	watercolour
watt	W
wave a magic wand	[wave] {one's} magic wand
wave tank	wave-tank
waxy	waxier
we all have our crosses to bear	everyone has their crosses to bear
wealth attracts many friends	where wealth, there friends
weaponize	weaponise
we are all adam's children but silk makes the difference	only silk makes the difference (between|among) the children of Adam
we are all adam's children but silk makes the difference	we are all Adam's children, with (only|) silk being the distinguishing factor
wear hats	[wear] (a|) different [hat]
wear hats	[wear] more than one hat
weather-worn	weatherworn
web designer	website designer
web page	webpage
website	web site
weigh on	weigh upon
well-being	wellbeing
well-built	well built
well-done	well done
well done is better than well said	well done is (far|way|) more preferable than well said
well-informed	well informed
well-known	well known
well-made	well made
well-paid	well paid
well preserved	well-preserved
well-rounded	well rounded
west nile virus	WNV
westward	westwards
wetsuit	wet suit
wham	whammed
what does not kill makes stronger	that which does not kill {sb} makes {sb} stronger
what happens in vegas stays in vegas	what happens on tour, stays on tour
what is done is done	what is done cannot be undone
what is good for the goose is good for the gander	what is sauce for the goose is sauce for the gander
what on earth	(where|who|when) on earth
whatshername	whatsername
whatsisname	whatsisname
what's popping	what's poppin'
what's up	whassup
what's up	what up
what's up	sup
what the eye does not see the heart does not grieve over	the heart cannot grieve over what it cannot see
what the eye does not see the heart does not grieve over	the heart does not grieve over what it does not see
what the eye does not see the heart does not grieve over	what the eye cannot see, the heart cannot grieve over
what will be will be	what must be, must be
what you have never had you never miss	you never miss what you have never had
wheels fall off	[cause] the wheels to [fall off|come off]
when in rome, do as the romans do	when in Rome
when it rains it pours	it does not rain but it pours
when it rains it pours	it never rains but (when it does,|) it pours
when life gives you lemons make lemonade	life gives you lemons, but it is up to you to make lemonade
when life gives you lemons make lemonade	life gives you lemons, but no one is going to make lemonade for you
when one door closes another opens	(when|as) a door (closes|shuts), a window opens
when poverty comes in the door love flies out the window	when poverty comes in (at|) the door, friendship leaps out (of|) the window
when poverty comes in the door love flies out the window	when the wolf comes in (at|) the door, love creeps out (of|) the window
when push comes to shove	if push comes to shove
when two ride together one must ride behind	if two (men|) ride on a horse, one (must|shall) ride behind
when two sundays meet	when two Sundays come together
when you read a book for the first time you get to know a friend read it for a second time and you meet an old friend	when you read a book for the first time, you (can|will) know a friend, (when you|) read it for a second time, you (can|will|) meet an old friend
whiskey	whisky
whiskey mac	whisky mac
whistle-blower	whistle blower
whistle-blower	whistleblower
white blood cell	WBC
whiteout	white-out
whitewater canoeing	White water canoeing
whitewater canoeing	White-water canoeing
whitewater kayaking	white water kayaking
whitewater kayaking	white-water kayaking
whoa	woah
whoa	whoah
whoever writes a book should be ready to accept criticism	he who writes a book (shall|should) brace (himself|) for waves of criticism
whoever writes a book should be ready to accept criticism	whoever writes a book, (should|shall) (be ready|brace) for waves of criticism
whole grain	wholegrain
whole wheat	wholewheat
whole wheat	whole-wheat
whom the gods love die young	whom God loves, (shall|must|) die young
whoops-a-daisy	oopsy-daisy
why buy a cow when you can get milk for free	who would keep (a|the) cow when he may have a bottle of milk for a penny
why buy a cow when you can get milk for free	why buy (a|the) cow when milk is (so|) cheap
wicket-keeper	wicket keeper
wicket-keeper	wicketkeeper
wide shot	long shot
willful	wilful
willfully	wilfully
willpower	will power
window-shop	window-shopped
window shopping	window-shopping
wineglass	wine glass
winemaking	wine making
wing back	wingback
wiped-out	wiped out
wipe the floor with	[mop] the floor with
wireless local area network	WLAN
wire loop game	steady hand game
wire loop game	buzz wire
wisdom will save you also from the adulterous woman from the wayward woman with her seductive words	to deliver thee from the strange woman, even from the stranger which flattereth with her words
wisdom will save you also from the adulterous woman from the wayward woman with her seductive words	wisdom will save you from the immoral woman, from the seductive words of the promiscuous woman
wisdom will save you also from the adulterous woman from the wayward woman with her seductive words	wise friends will rescue you from the Temptress - that smooth-talking Seductress
wisdom will save you from the ways of wicked men from men whose words are perverse	wisdom (will|shall) be delivering you from the way of evil, from men of perverted speech
wisdom will save you from the ways of wicked men from men whose words are perverse	wisdom (will|shall) deliver thee from the way of the evil man, from the man that speaketh froward things
wise men learn by other's harm	fools learn from experience, wise men (learn|) from the experience of fools
wise men learn by other's harm	wise men learn by other men's mistakes
wish list	wishlist
witeout	Wite-Out
with a fine-tooth comb	with a fine-toothed comb
with flying colors	with flying colours
with great power comes great responsibility	great power (brings|breeds) great responsibility
with guns blazing	with {one's} guns balzing
wizened	wizen
wolf may lose his teeth but never his nature	wolves lose their teeth, but not their nature
womenswear	women's wear
wonders never cease	(will|would) wonders (never|ever) cease
woo-hoo	woohoo
woo-hoo	whoo-hoo
woolen	woollen
wooly	woolly
word formation	word-formation
word has it	(word|rumour) has it (that|)
work around	work round
workforce	work force
work like a horse	[work] like a (beaver|slave)
work like a horse	[work] like [horse|dog|slave]
work never hurt anyone	hard work never did (anyone|anybody) any harm
workout of the day	WOD
work to rule	work-to-rule
work toward	work towards
world baseball classic	WBC
world equestrian games	WEG
worldly	worldlier
world trade organization	WTO
world war i	world war 1
world war i	First World War
world war ii	world war 2
world war ii	Second World War
worldwide	world-wide
world wide web	WWW
world wide web	Web
worm's eye view	worm's-eye view
worn-out	worn out
wow	wowee
wreck yard	wrecking yard
wreck yard	wrecker's yard
writing on the wall	writing [is] on the wall
writing on the wall	handwriting on the wall
writing on the wall	handwriting [is] on the wall
yada yada	yadda yadda yadda
year	yr
year-long	yearlong
year-round	all-year-round
year-round	year-around
yeasty	yeastier
yee-haw	yeehaw
yellow-back	yellowback
yellow-bellied	yellow-belly
yellow-gray	yellow-grey
yep	yup
yeppers	yuppers
yeppers	yepper
yeshiva	yeshivah
yippee	yippie
yogurt	yoghurt
yogurt	yoghourt
yoo-hoo	yoohoo
yorkipoo	Yorkie-poo
you can lead a horse to water but you cannot make him drink	a man (may|can) lead a horse to water, but fifty cannot make (him|it|her) drink
you can lead a horse to water but you cannot make him drink	a man may bring his horse to water, but he cannot make (him|her|it) drink
you can lead a horse to water but you cannot make him drink	a man may bring his horse to water, but his horse chooses to drink
you cannot catch old birds with chaff	an old bird is not caught with chaff
you cannot put an old head on young shoulders	an old head can never stand on young shoulders
you cannot serve two masters	no man can serve two masters
you cannot teach an old dog new tricks	an old dog (will|shall) learn no tricks
you cannot teach an old dog new tricks	an old dog (will|shall) not learn (any|) new tricks
you can only die once so do not die a thousand times worrying about it	you can only die once
you know what	you know something?
young men may die but old men must die	young men may die, but it is the old men that must die
you plan and god laughs	man plans and God laughs
you reap what you sow	as they sow, let them reap
you reap what you sow	what a man sows, that shall he (also|) reap
you win some, you lose some	[win] a few, [lose] a few
you win some, you lose some	[win] some, [lose] some
you win some, you lose some	{sb} cannot win them all
yowla	yowlah
yum	yum yum
zendo	zendō
zero-hour contract	ZHC
zero-hour contract	zero hour contract
zero moment of truth	ZMOT
zha jiang mian	Zhajiangmian
zion	Sion
zoology	zoölogy