island vs Kodiak

island and Kodiak both are nouns.

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

island (noun)	Kodiak (noun)
a zone or area resembling an island	brown bear of coastal Alaska and British Columbia
a land mass (smaller than a continent) that is surrounded by water	an island off southern Alaska in the Gulf of Alaska; site of the first European settlement in the area which was founded by the Russians in 1784