Luxembourg vs European Community

Luxembourg and European Community both are nouns.

Word	Noun	Adjective	Verb	Adverb
Luxembourg	Yes	No	No	No
European Community	Yes	No	No	No

Luxembourg (noun)	European Community (noun)
a grand duchy (a constitutional monarchy) landlocked in northwestern Europe between France and Belgium and Germany; an international financial center	an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
the capital and largest city of Luxembourg