island vs Curacao

island and Curacao both are nouns.

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

island (noun)	Curacao (noun)
a zone or area resembling an island	a popular island resort in the Netherlands Antilles, with capital Willemstad
a land mass (smaller than a continent) that is surrounded by water