Trinidad and Tobago vs Organization of American States

Trinidad and Tobago and Organization of American States both are nouns.

Word	Noun	Adjective	Verb	Adverb
Trinidad and Tobago	Yes	No	No	No
Organization of American States	Yes	No	No	No

Trinidad and Tobago (noun)	Organization of American States (noun)
an island republic in the West Indies off the northeastern coast of Venezuela; achieved independence from the United Kingdom in 1962	an association including most countries in the western hemisphere; created in 1948 to promote military and economic and social and cultural cooperation