The British spelling of supervisor is "supervisor."
The British spelling of skillful is skillful in a British accent
The British spelling is "squash" and the American spelling is also "squash." Both countries use the same spelling for this word.
The correct spelling is "summarize" in American English and "summarise" in British English.
Apologized is the American spelling, and apologised is the British spelling.
The correct spelling is "British Columbia." It is a province located on the west coast of Canada.
The spelling for supervisor is supervisor; you had it spelled correctly in the question.
That is the correct spelling of "supervisor" (manager, overseer).
The British spelling of skillful is skillful in a British accent
The British spelling is "squash" and the American spelling is also "squash." Both countries use the same spelling for this word.
The word is spelt as you have in the question. As it happens, there is no difference between the American spelling and British spelling of the words.
The British English spelling of marvelous (astonishing; wonderful) is marvellous.
British spelling: meagre
Savior is the American spelling. Saviour is the British spelling.
Apologized is the American spelling, and apologised is the British spelling.
The spelling of the adjective is British.(For the differences in US and British spelling, see the related link.)
The British spell it "skilful".
Yes, the spelling of the word 'recognize' is American English. In British English, it is spelled as 'recognise'.