Saint Vincent vs Kingstown

Saint Vincent and Kingstown both are nouns.

Word	Noun	Adjective	Verb	Adverb
Saint Vincent	Yes	No	No	No
Kingstown	Yes	No	No	No

Saint Vincent (noun)	Kingstown (noun)
an island in the center of the Windward Islands; the largest of the islands comprising Saint Vincent and the Grenadines	the capital of Saint Vincent and the Grenadines; on Saint Vincent