When to Use Recognise
Recognise is an alternate spelling of the same verb. It means the same thing and can be used in all the same contexts. Recognise is more common in British English than it is in American English. That said, even the British prefer recognize—and have for some time.
Is recognition and recognize the same?
"Recognize" (or "recognise") is a verb. "Recognition" is a noun. "Recognization" (or "recognisation") is also a noun, but it is very uncommon.
How do Canadians spell recognize?
“-ise” / “-ize”:
Most verbs which are commonly spelled with “-ise” in Britain (e.g. “organise”, “recognise”, “realise”) are spelled with “-ize” in America and Canada (e.g. “organize”, “recognize”, “realize”), although the “-ize” form is actually considered to be more correct even in Britain nowadays.