Wake Island vs island

Wake Island and island both are nouns.

Word	Noun	Adjective	Verb	Adverb
Wake Island	Yes	No	No	No
island	Yes	No	No	No

Wake Island (noun)	island (noun)
an island in the western Pacific between Guam and Hawaii	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water