Kalaallit Nunaat vs island

Kalaallit Nunaat and island both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kalaallit Nunaat	Yes	No	No	No
island	Yes	No	No	No

Kalaallit Nunaat (noun)	island (noun)
the largest island in the world; lies between the North Atlantic and the Arctic Ocean; a self-governing province of Denmark	a zone or area resembling an island
	a land mass (smaller than a continent) that is surrounded by water