Organization of American States vs El Salvador

Organization of American States and El Salvador both are nouns.

Word	Noun	Adjective	Verb	Adverb
Organization of American States	Yes	No	No	No
El Salvador	Yes	No	No	No

Organization of American States (noun)	El Salvador (noun)
an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation	a republic on the Pacific coast of Central America