AmE - parliament BrE, apartment – flat, cub – taxi, candy – sweets, elevator – lift, fall – autumn, mail – post, canteen – cafeteria, vacation - holiday); some words are unambiguous (checking account - current account ) (to know more, go here).
Some words have one value from the WSE and more additional values (caravan «refers to a group of travelers in the desert" in both versions, in BrE it means vehicle, in AmE – trailer, van). Both variants have the word undertaker, but AmE has also the word mortician.
Lexical differences in the car terminology (gas (gasoline) AmE –petrol BrE; automobile – car; gas pedal – accelerator; hood – bonnet; tire – tyre; truck – lorry; trunk – boot; windshield - wind-screen) (to know more, go here);
Idioms have different meaning. ‘The play was a real bomb’ AmE =‘a total disaster' – BrE= ‘a huge success’.