ACE vs North Atlantic Treaty Organization

ACE and North Atlantic Treaty Organization both are nouns.

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

ACE (noun)	North Atlantic Treaty Organization (noun)
a major strategic headquarters of NATO; safeguards an area extending from Norway to Turkey	an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security
proteolytic enzyme that converts angiotensin I into angiotensin II