St. Vincent and the Grenadines vs Caribbean

St. Vincent and the Grenadines and Caribbean both are nouns.

Word	Noun	Adjective	Verb	Adverb
St. Vincent and the Grenadines	Yes	No	No	No
Caribbean	Yes	No	No	No

St. Vincent and the Grenadines (noun)	Caribbean (noun)
an island country in the central Windward Islands; achieved independence from the United Kingdom in 1979	region including the Caribbean Islands
	an arm of the Atlantic Ocean between North and South America; the origin of the Gulf stream