island vs Cebu

island and Cebu both are nouns.

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

island (noun)	Cebu (noun)
a zone or area resembling an island	an important seaport on the island of Cebu in the Philippines
a land mass (smaller than a continent) that is surrounded by water	one of the Visayan islands of the central Philippines; important for its fine harbor