What are the main differences vocabulary-wise between American and British English?

Spelling and accent/pronunciation.

• The differences between British and American English are in spelling of some words. For example, color for British and colour for American
• Vocabulary for example Americans say trunk while Britons say boot both to mean the back of the car. Apartment for American and Flat for Britons meaning a high rise residential building.

Some differences in spellings and som differences in words like autumn/fall, tap/faucet etc.