Commonwealth of the Bahamas vs OAS

Commonwealth of the Bahamas and OAS both are nouns.

Word	Noun	Adjective	Verb	Adverb
Commonwealth of the Bahamas	Yes	No	No	No
OAS	Yes	No	No	No

Commonwealth of the Bahamas (noun)	OAS (noun)
island country in the Atlantic to the east of Florida and Cuba; a popular winter resort	an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation