USA vs North Atlantic Treaty Organization

USA and North Atlantic Treaty Organization both are nouns.

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

USA (noun)	North Atlantic Treaty Organization (noun)
the army of the United States of America; the agency that organizes and trains soldiers for land warfare	an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776