Luxemburg vs North Atlantic Treaty Organization

Luxemburg and North Atlantic Treaty Organization both are nouns.

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

Luxemburg (noun)	North Atlantic Treaty Organization (noun)
a grand duchy (a constitutional monarchy) landlocked in northwestern Europe between France and Belgium and Germany; an international financial center	an international organization created in 1949 by the North Atlantic Treaty for purposes of collective security
the capital and largest city of Luxembourg