These lists, by no means exhaustive, illustrate the chief differences:
1. Words ending in -or and -our. (Note, however, that not all such words differ in spelling; consider, for example: emperor, error, mirror, and stupor.)
AMERICAN ENGLISH / The rest of the ENGLISH speaking world
arbor arbour
armor armour
behavior behaviour
candor candour
color colour
demeanor demeanour
favor favour
flavor flavour
glamour, glamor glamour
harbor harbour
honor honour
labor labour
neighbor neighbour
rancor rancour
rigor rigour
savior, saviour saviour
splendor splendour
tabor, tabour tabour
vapor vapour
2. Words ending in -er or -re. (But, again, other examples do not differ: for example, acre, lucre, mediocre, and meter [the instrument].)
AMERICAN ENGLISH / The rest of the ENGLISH speaking world
caliber calibre
center, Centre centre
goiter goitre
liter litre
maneuver manoeuvre
meter (measure) metre (measure)
miter mitre
specter spectre
theater, Theatre theatre
3. Words ending in -ize or -ise. (But these do not differ: circumcise, compromise, exercise, improvise, and surmise.)
AMERICAN ENGLISH / The rest of the ENGLISH speaking world
baptize baptise, baptize
capsize capsise, capsize
civilize civilise, civilize
organize organise, organize
realize realise, realize
sympathize sympathise, sympathize
visualize visualise, visualize
4. Words ending in -se or -ce. (But suspense is the same for both nations.)
AMERICAN ENGLISH / The rest of the ENGLISH speaking world
defense defence, defense
offense offence, offense
pretense pretense, pretence
5. Words using the digraphs ae and oe.
AMERICAN ENGLISH / The rest of the ENGLISH speaking world
anemic, anaemic anaemic
aesthetic, esthetic aesthetic
archaeology, archeology archaeology
diarrhea diarrhoeia
encyclopedia, encyclopaedia encyclopaedia, encyclopedia
eon aeon
esophagus oesophagus
estrogen oestrogen
hemoglobin, haemoglobin haemoglobin
hemorrhage haemorrhage, hemorrhage
maneuver manoeuvre
medieval, mediaeval mediaeval, medieval
pediatrician paediatrician
6. Words with medial -ct- or -x-. (But complexion and infection do not differ.)
AMERICAN ENGLISH The rest of the ENGLISH speaking world
/
complected, complexioned complexioned
connection connexion
inflection i nflexion
reflection reflexion
7. Miscellaneous differences.
AMERICAN ENGLISH / The rest of the ENGLISH speaking world
aluminum aluminium
check cheque
curb kerb
disk, disc disc
draft draught
fulfill fulfil
gray, grey grey, gray
Gypsy Gipsy
inquire enquire
jail jail, gaol
mold mould
mustache moustache
omelet, omelette omelette
pajamas pyjamas
plow plough
program programme
skillful skilful
sulfur sulphur
tire tyre
vise vice
wagon waggon, wagon
Last edited by scoop city
on July 21, 2006 13:30.