OAS vs Brazil

OAS and Brazil both are nouns.

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

OAS (noun)	Brazil (noun)
an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation	the largest Latin American country and the largest Portuguese speaking country in the world; located in the central and northeastern part of South America; world's leading coffee exporter