Guadeloupe vs island

Guadeloupe and island both are nouns.

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

Guadeloupe (noun)	island (noun)
an island territory of France located in the eastern West Indies; tourism is the major industry	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water