Organization of American States vs Haiti

Organization of American States and Haiti both are nouns.

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

Organization of American States (noun)	Haiti (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 in the West Indies on the western part of the island of Hispaniola; achieved independence from France in 1804; the poorest and most illiterate nation in the western hemisphere
	an island in the West Indies