British/North American Vocabulary
Here are some of the main differences in vocabulary between British and North American English.

American spelling is usually more simpler.

For example, British English words ending in -our and -re, end in -or and -er in American English (colour/color,centre,center)

Another example is 'through' in the UK.This becomes 'thru' in the US.

British Canadian American
anywhere anywhere anyplace
autumn autumn/fall fall
barrister lawyer attorney
beeper, pager pager beeper
bill (restaurant) bill check
biscuit cookie cookie
block of flats apartment block apartment building
bonnet hood hood
boot (of car) trunk (of car) trunk (of automobile)
car car automobile
caravan trailer trailer
chemist drugstore drugstore
chest of drawers dresser bureau
chips French fries/chips French fries