Jamaica vs OAS

Jamaica and OAS both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jamaica	Yes	No	No	No
OAS	Yes	No	No	No

Jamaica (noun)	OAS (noun)
a country on the island of Jamaica; became independent of England in 1962; much poverty; the major industry is tourism	an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation
an island in the West Indies to the south of Cuba and to the west of Haiti