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Prepositions
* American English - on the weekend
British English - at the weekend
* American English - on a team
British English - in a team
* American English - please write me soon
British English - please write to me soon
Past Simple/Past Participles
Burn
Burnt OR burned
Dream
dreamt OR dreamed
Lean
leant OR leaned
Learn
learnt OR learned
Smell
smelt OR smelled
Spell
spelt OR spelled
Spill
spilt OR spilled
Spoil
spoilt OR spoiled
Spelling
Words ending in -or (American) -our (British) color, colour, humor, humour, flavor, flavour etc.
Words ending in -ize (American) -ise (British) recognize, recognise, patronize, patronise etc.