Islay vs island

Islay and island both are nouns.

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

Islay (noun)	island (noun)
an island of western Scotland at the southern end of the Inner Hebrides	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water