island vs Hawaii

island and Hawaii both are nouns.

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

island (noun)	Hawaii (noun)
a zone or area resembling an island	a state in the United States in the central Pacific on the Hawaiian Islands
a land mass (smaller than a continent) that is surrounded by water	the largest and southernmost of the Hawaii islands; has several volcanic peaks