Bermuda vs island

Bermuda and island both are nouns.

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

Bermuda (noun)	island (noun)
a group of islands in the Atlantic off the Carolina coast; British colony; a popular resort	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water