American vs. British English Spelling Differences:
Here is a list of some common words with different spellings in American and British English:
General:
* American - British
* color - colour
* flavor - flavour
* humor - humour
* analyze - analyse
* center - centre
* defense - defence
* offense - offence
* traveler - traveller
* theater - theatre
* tire - tyre
* recognize - recognise
* judgment - judgement
* program - programme
* catalog - catalogue
* pajamas - pyjamas
Nouns:
* faucet - tap
* trunk (of a car) - boot
* diaper - nappy
* gasoline - petrol
* cookie - biscuit
* candy - sweets
* elevator - lift
* sidewalk - pavement
* trash can - bin
* check (cheque) - cheque
* mailbox - post box
* parking lot - car park
* subway - underground
* flashlight - torch
Verbs:
* realize - realise
* apologize - apologise
* organize - organise
* standardize - standardise
* formalize - formalise
Other:
* spelled - spelt
* canceled - cancelled
* learned - learnt
Important Note:
This is not an exhaustive list. There are many other words with spelling differences, and the usage of these differences can sometimes vary within each country.
Tips for using the correct spelling:
* Be aware of the context. If you're writing for a British audience, use British spellings. If you're writing for an American audience, use American spellings.
* Use a dictionary. Both American and British dictionaries are available online and in print.
* Use a spell checker. Most spell checkers will automatically suggest the correct spelling based on your settings.
Remember that both American and British English are perfectly valid forms of the language, and there is no "right" or "wrong" spelling. The most important thing is to be consistent in your writing.