island vs Spitzbergen

island and Spitzbergen both are nouns.

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

island (noun)	Spitzbergen (noun)
a zone or area resembling an island	islands in the Svalbard archipelago to the east of northern Greenland; belonging to Norway
a land mass (smaller than a continent) that is surrounded by water