British and American English

AMERICAN	BRITISH
a knockout (sl. beautiful)	a stunner (sl.)
a little bit	a spot (sl.)
abridgment	abrigement
acknowledgment	acknowledgement
ad (sl.)	advert (sl.)
airplane	aeroplane
aisle	gangway
alley	mews
aluminum	aluminium
analyze	analyse
anemia	anaemia
anesthetic	anaesthetic
annex	annexe
apartment	mansion flat
apprise/apprize	apprise
amortize	amortise/amortize
ardor	ardour
baby buggy (sl.)	pram (sl. perambulator)
babysitter	child-minder
bar
bartender	landlord
bathroom	loo (sl.)
bathroom	+lavatory
beat (sl. tired)	fagged
biscuit	scone
big deal (sl.)	big noise (sl.)
blacktop	macadam
brash	cheeky (sl.)
breakfast sausage	banger (sl.)
bucks (sl. dollars)	quid (sl. pounds)
buffet	set meal
buggy (4 wheel carriage)	buggy (2 wheel carriage)
bum (sl. vagrant)	+tramp
bum (sl. vagrant)	bum (sl. backside)
burglary	house-breaking
cafeteria	refrectory
can (metal container)	tin
can (sl. jail)	nick (sl. gaol)
can (sl. backside)	bum (sl.)
caliber	calibre
call up (telephone)	ring up
cark shark (sl. gambler)	card sharper (sl.)
center	centre
cinder road	metalled roadway
check	cheque
checkers (game)	draughts
clerk (KLERK)	clerk (KLAHRK)
closet (clothes closet)	closet (toilet)
closet (clothes closet)	cupboard (clothes closet)
color	colour
corn	+Indian corn
connection	connexion
confused	fogged (sl.)
cookie	biscuit
cop (police officer)	bobby
county court	assize
coveralls	boiler suit
crap (sl. worthless)	rot (sl.)
crooked (illegal)	bent (sl.)
curb	kerb
dead on (sl.)	bang on
defense	defence
deflection	deflexion (but not in engineering)
derby (hat)	bowler
detour	diversion
dialyze	dialyse
diarrhea	diarrhoea
diner	chop house
disbarred	struck off
disgusting	off-putting
dishrag	dish mop
discount store	cut-price shop
dock	quay
draft beer	draught beer
dresser	+wardrobe
dude	tosh (sl.)
ecology	oecology (old sp.)
edema	oedema
efficiency apartment	bed-sit
electrolyze	>electrolyse
elevator	lift
engineer (railroad)	engine driver
enrollment	enrolment
eolian	aeolian
esophagus	oesophagus
estrogen	oestrogen
etiology	aetiology
favor	favour
favorite	favourite
fender (of a car)	wing
fervor	fervour
festive gathering	jollities (sl.)
fetus	foetus
fiber	fibre
fire department	fire brigade
fired	sacked
first floor	ground floor
flashlight	torch
flavor	flavour
fooling around	messing about or mucking about (sl.)
for rent	to let
freeway	motorway
freight train	goods train
French	Frog (sl.)
french fries	chips
fuel oil	petrol
gasoline (or gas)	petrol
gas	cooking gas
garbage can	dustbin
garbage dump	rubbish tip
genuflection	genuflexion
get lost! (sl. leave)	push off! (sl.)
glasses	+spectacles (sl. specs)
gray (color)	grey (colour)
grounded (electrical)	earthed
got	have gotten
hand drill	brace and bit
hang around (sl. loiter)	hang about (sl.)
hang up (telephone)	ring off
hardware store	ironmongers
harbor	harbour
hemoglobin	haemoglobin
hearing aid	deaf aid
hiccup	hiccough
honor	honour
hood	bonnet
horn (of a car)	hooter
hubcap	+wheel cover
humor	humour
inflection	inflexion
installment plan	hire-purchase
intermission	interval
jail	gaol
janitor	porter
jewelry	jewellery
judgment	judgement
kind of	+rather
knock up (sl. get pregnant)	knock up (sl. wake up)
labor	labour
lawyer	barrister
lawyer	soliciter
leather neck (sl. US Marine)	jollies (sl. Royal Marines)
legal holiday	bank holiday
leveling	levelling
license	licence (n.; v.= license)
line	que
lining up	queueing
lodgment	lodgement
long distance (telephone)	trunk call
looney	dottie (sl.)
loot	boodle, swag (sl.)
luggage	baggage
luster	lustre
mail	post
mail	letter
mailbox	postbox or pillar box
mailman	+postman
maneuver	manoeuvre
marvelous	marvellous
men's room	gents (sl.)
messy	shabby
meter (unit)	metre
meter (as in voltmeter)	meter
mist	damp
mold	mould
molder	moulder
molt	moult
mom (mother)	mum
movie	film
movie theater	cinema
municipal judge	magistrate
neighbor	neighbour
newsstand	kiosk
notary public	commisioner of oaths
nuts (sl. crazy)	dotty (sl.)
offense	offence
orchestra seat	stall
organize	organise
overdraw (an account)	overdraft
overpass (highway)	flyover
pad (sl. house)	digs (sl.)
pal (sl. friend)	fellow, chap (sl.)
pants	trousers
paralyze	paralyse
parking lot	motor park
penny (cent)	pence
picked up (arrested)	nicked (sl.)
pharmacist	chemist
phone booth	call box
phony	phoney
photo flash	flashlight
plain	moor
plow	plough
practice	practise (v.; n.= practice)
pretense	pretence
program	programme
pulled up	drew up
radio	wireless
railroad car	railroad carriage
rain cape	ulster
raincoat	mackintosh (or mac sl.)
research scientist	boffin (sl.)
red hair	ginger hair (sl.)
restroom	lavatory
rigor	rigour
root beer	ginger beer
rubber boots	gum boots
rubbers	galoshes
rumble seat	dickey seat (sl.)
savor	savour
sawed	sawn
scallion	spring onion
schedule (SKED-JEWL)	scedule (SHED-DUAL)
Scotch tape	celotape
scratch pad	scribbling block
second floor	first floor
sepulcher	sepulchre
set the table	lay the table
sewers	drains
sidewalk	path or footpath
shoes	boots
shoeshine boy	bootblack
shorts (underwear)	pants
show up (sl. arrive)	pop in (sl.)
shower	shower bath
smelled	smelt
smolder	smoulder
somber	sombre
space heater	electric fire
speakeasy (sl.)	off licence (sl.)
specter	spectre
speedboat	engine boat
stand (law court)	dock
station wagon	estate car
stool pigeon (sl. informer)	grass (sl.)
store	shop
streaked with...	shot through with...
streetcar	tram
subway	underground
subway station	tube station
suspenders	braces
swamp	bog or mire
swimming pool	swimming bath
switch (railroad)	points
tailored shirt maker	bespoke shirtmaker
takeout (food)	takeaways
taxes	rates
taxpayers	ratepayers
taxi	cab
theater	theatre
thumbtacks	drawing pins
time= HH:MM	time=HH.MM
trailer	caravan
trench coat	duffle coat
truck (motor truck)	lorry
truck (railroad car wheels)bogie
trunk (of a car)	boot
tire	tyre
toilet	water closet (W.C.)
traffic cirle	roundabout
tumor	tumour
TV (sl.)	telly (sl.)
undershirt	vest
vacation	holiday
vacuum tube	valve
valet (military)	batman
vapor	vapour
vaudeville	music hall
vest	waistcoat
vise (tool, clamp)	vice
wagon	waggon
watch out for the...	mind the...
whiz	whizz
will	shall/will
will not	shan't
windsheild	windscreen
workman	tradesman
wrench	spanner
z (zee)	z (zed)