United States of America vs North Atlantic Treaty Organization

United States of America and North Atlantic Treaty Organization both are nouns.

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

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