A few facts on differences between written British and American English

Below you will find a list of important differences between written British and American English spelling:

<-our / -or>

British spelling: behaviour, colour, favourite, flavour, honour, mould

American spelling: behavior, color, favorite, flavor, honor, mold

<-re / -er>

British spelling: centre, kilometre, litre, theatre,

American spelling: center, kilometer, liter, theater

<-ce / -se>

British spelling: defence, licence, offence

American spelling: defense, license, offense

<-se / -ce>

British spelling: practise (verb); practice (noun)

American spelling: practice (both verb and noun)

<-ll / -l> (stressed)

British spelling: traveller, labelling, cancelled

American spelling: traveler, labeling, canceled

<-l / -ll> (unstressed)

British spelling: fulfil, enrolment, skilful

American spelling: fulfill, enrollment, skillful

<-ise / -ize>

British spelling: realise, organise

American spelling: realize, organize

<-isation / -ization>

British spelling: globalisation, organisation

American spelling: globalization, organization

<-yse / -yze>

British spelling: analyse, paralyse

American spelling: analyze, paralyze

<-t / -ed>

British spelling: spelt, learnt, dreamt

American spelling: spelled, learned, dreamed