Cuba vs Organization of American States

Cuba and Organization of American States both are nouns.

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

Cuba (noun)	Organization of American States (noun)
a communist state in the Caribbean on the island of Cuba	an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation
the largest island in the West Indies