Sombrero vs island

Sombrero and island both are nouns.

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

Sombrero (noun)	island (noun)
one of the islands of Saint Christopher-Nevis, with a land area of 94 acres	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water