Limnos vs island

Limnos and island both are nouns.

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

Limnos (noun)	island (noun)
a Greek island in the northern Aegean Sea; famous for a reddish-brown clay that has medicinal properties	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water