United States vs North Atlantic Treaty Organization

United States and North Atlantic Treaty Organization both are nouns.

Word	Noun	Adjective	Verb	Adverb
United States	Yes	No	No	No
North Atlantic Treaty Organization	Yes	No	No	No

United States (noun)	North Atlantic Treaty Organization (noun)
the executive and legislative and judicial branches of the federal government of the United States	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