St. Vincent and the Grenadines vs OAS

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

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

St. Vincent and the Grenadines (noun)	OAS (noun)
an island country in the central Windward Islands; achieved independence from the United Kingdom in 1979	an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation