Organization of American States vs Uruguay

Organization of American States and Uruguay both are nouns.

Word	Noun	Adjective	Verb	Adverb
Organization of American States	Yes	No	No	No
Uruguay	Yes	No	No	No

Organization of American States (noun)	Uruguay (noun)
an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation	a South American republic on the southeast coast of South America; achieved independence from Brazil in 1825