island vs Galapagos Islands

island and Galapagos Islands both are nouns.

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

island (noun)	Galapagos Islands (noun)
a zone or area resembling an island	a group of islands in the Pacific off South America; owned by Ecuador; known for unusual animal life
a land mass (smaller than a continent) that is surrounded by water