North Atlantic Treaty Organization vs Italian Republic

North Atlantic Treaty Organization and Italian Republic both are nouns.

Word	Noun	Adjective	Verb	Adverb
North Atlantic Treaty Organization	Yes	No	No	No
Italian Republic	Yes	No	No	No

North Atlantic Treaty Organization (noun)	Italian Republic (noun)
an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security	a republic in southern Europe on the Italian Peninsula; was the core of the Roman Republic and the Roman Empire between the 4th century BC and the 5th century AD