Hispaniola vs island

Hispaniola and island both are nouns.

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

Hispaniola (noun)	island (noun)
an island in the West Indies	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water