NATO vs North Atlantic Treaty Organization

NATO and North Atlantic Treaty Organization both are nouns.

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

As nouns, NATO and North Atlantic Treaty Organization are synonyms defined as:

NATO and North Atlantic Treaty Organization: an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security

NATO (noun)	North Atlantic Treaty Organization (noun)
an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security	an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security