Canadian vs North American

Canadian and North American both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canadian	Yes	Yes	No	No
North American	Yes	Yes	No	No

As nouns, North American is a hypernym of Canadian; that is, North American is a word with a broader meaning than Canadian:

Canadian (noun)	North American (noun)
a river rising in northeastern New Mexico and flowing eastward across the Texas panhandle to become a tributary of the Arkansas River in Oklahoma	a native or inhabitant of North America
a native or inhabitant of Canada

Canadian (adjective)	North American (adjective)
of or relating to Canada or its people	of or pertaining to or characteristic of the continent or countries of North America or their peoples