warningsignBritish and American English have several variations in spelling and pronunciation.

Here are the most common spelling changes.

British American
re er
centre center
fibre fiber
litre liter
theatre theater
our or
colour color
humour humor
flavour flavor
labour labor
neighbour neighbor
ise ize
apologise apologize
recognise recognize
realise realize
yse yze
analyse analyze
paralyse paralyze
ell el
traveller traveler
dialled dialed
fuelled fueled
cancelled canceled
ence ense
defence defense
offence offense
 ogue  og
analogue analog
catalogue catalog