Angola vs Organization of Petroleum-Exporting Countries

Angola and Organization of Petroleum-Exporting Countries both are nouns.

Word	Noun	Adjective	Verb	Adverb
Angola	Yes	No	No	No
Organization of Petroleum-Exporting Countries	Yes	No	No	No

Angola (noun)	Organization of Petroleum-Exporting Countries (noun)
a republic in southwestern Africa on the Atlantic Ocean; achieved independence from Portugal in 1975 and was the scene of civil war until 1990	an organization of countries formed in 1961 to agree on a common policy for the production and sale of petroleum