North America vs North American

North America and North American both are nouns.

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

North America (noun)	North American (noun)
the nations of the North American continent collectively	a native or inhabitant of North America
a continent (the third largest) in the western hemisphere connected to South America by the Isthmus of Panama

North America (adjective)	North American (adjective)
	of or pertaining to or characteristic of the continent or countries of North America or their peoples