Ellas vs North Atlantic Treaty Organization

Ellas and North Atlantic Treaty Organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ellas	Yes	No	No	No
North Atlantic Treaty Organization	Yes	No	No	No

Ellas (noun)	North Atlantic Treaty Organization (noun)
a republic in southeastern Europe on the southern part of the Balkan peninsula; known for grapes and olives and olive oil	an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security