island vs Guadalcanal

island and Guadalcanal both are nouns.

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

island (noun)	Guadalcanal (noun)
a zone or area resembling an island	a battle in World War II in the Pacific (1942-1943); the island was occupied by the Japanese and later recaptured by American forces
a land mass (smaller than a continent) that is surrounded by water	a mountainous island; the largest of the Solomon Islands in the independent state that is a member of the British Commonwealth