Nevis vs island

Nevis and island both are nouns.

Word	Noun	Adjective	Verb	Adverb
Nevis	Yes	No	No	No
island	Yes	No	No	No

Nevis (noun)	island (noun)
one of the islands of Saint Christopher-Nevis, with capital Charlestown	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water