Spice Islands vs island

Spice Islands and island both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spice Islands	Yes	No	No	No
island	Yes	No	No	No

Spice Islands (noun)	island (noun)
a group of island in eastern Indonesia between Celebes and New Guinea; settled by the Portuguese but taken by the Dutch who made them the center for a spice monopoly, at which time they were known as Spice Islands	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water