Cyprus vs island

Cyprus and island both are nouns.

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

Cyprus (noun)	island (noun)
a country on the island of Cyprus; 80% of the people are of Greek origin and 20% or Turkish origin	a zone or area resembling an island
an island in the eastern Mediterranean	a land mass (smaller than a continent) that is surrounded by water