Athletics
England: Refers specifically to "stamina" sports, like jogging, jumping, sprinting, etc. America: Refers to any sport in general.
Banger
England: A beaten up car
America: A musical tune (e.g., head banger)
Bathroom
England: Specifically refers to a toilet facility with a bathtub.
America: Refers to any sort of washroom facilities, regardless of whether it has a bathtub or not
Chemist
England: Most commonly used to refer to any establishment that sells pharmaceuticals, (whereas Americans commonly call these establishments "drugstores" or "pharmacies")
America: Refers to a chemical scientist, but more commonly used with this meaning than in England.
Cricket
England: Most often refers to the sport.
America: Most often refers to the bug.
Football
England: A Kickball sport
America: A rugby-derived sport
Knob
England: An idiot, or a penis.
America: Any small, rounded protrusion.
Mad
England: Most commonly referring to being crazy or nuts.
America: Most commonly referring to being angry.
Mate
England: Pal, friend.
America: Spouse.
Pound
England: Usually refers to currency.
America: Usually refers to weight.
England, UK, British Isles, etc
England: Refers specifically to the region of the British Isles that does not include Scotland, Wales, or Ireland. Britain, or the UK, refers usually refers to the entirety of the British Isles with all states included.
America: Often mistakenly uses all of the above terms to refer to the British Isles.
Biscuit That's the only one I can think of, sorry.
Some examples include: color (American English) and colour (British English) traveler (American English) and traveller (British English) realize (American English) and realise (British English)
Same meaning just different spelling. Favorite is American spelling, favourite is British spelling
A word that has the same meaning but is spelled differently is "color" (American English) and "colour" (British English). Both words refer to the same concept of the visual appearance resulting from the way an object reflects or emits light.
jam
No. "Practise" is the British spelling of the verb "to practise". In North America the same verb is used with exactly the same meaning but with a slightly different spelling :"to practice". The noun "practice" on the other hand is spelled in both British and American English identically.
A cheque is British English for a check in American English.
No, tight and loose are not examples of homonyms. Homonyms are words that sound the same but have different meanings, like "pear" and "pair." Tight and loose have different meanings and sound different.
The British spelling is "squash" and the American spelling is also "squash." Both countries use the same spelling for this word.
If you wrote it down, then you know how to spell it. answer: British spelling:labour; American spelling: labor.
A British billion is equal to an American billion in modern use.(Formerly, a British billion used to be equal to a US Trillion)
You might mean homonyms. Homonyms are different words that sound the same but have different meaning. Examples are: two and too, bite and bight, ball and bawl.