Both modelled and modeled are correct. Use modeled in American English and modelled in British English. They are different regional ...

Both analyze and analyse are correct. Use analyze in American English and analyse in British English. They have the same ...

Both inquire and enquire are correct. “Inquire” is preferred in American English, while “enquire” is more common in British English ...

Both cosy and cozy are correct spellings. “Cosy” is more common in British English, while “cozy” is the standard spelling ...

Favorite or favourite means you are choosing between American and British spelling. “Favorite” is the standard spelling in American English, ...

Center or centre means you are choosing between American and British spelling. “Center” is the standard spelling in American English, ...

Dialog or dialogue means you are choosing between two accepted spellings. “Dialogue” is the more common standard spelling for conversation ...

Colour or color means you are choosing between British and American spelling. “Color” is the standard spelling in American English, ...

Check or cheque means you are choosing between American and British spelling. In American English, use “check” for a bank ...