Canary Islands vs island

Canary Islands and island both are nouns.

Word	Noun	Adjective	Verb	Adverb
Canary Islands	Yes	No	No	No
island	Yes	No	No	No

Canary Islands (noun)	island (noun)
a group of mountainous islands in the Atlantic off the northwest coast of Africa forming Spanish provinces	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water