The licence versus license question is one of the trickiest in British English spelling — not because it is hard to remember, but because the two spellings are not interchangeable. Unlike organisation/organization or colour/color, where the difference is simply British versus American convention, licence and license in British English are two different words that serve different grammatical functions.

Getting this distinction right marks out careful, precise writing. This guide explains everything you need to know.

Licence-or-License