European Union vs Espana

European Union and Espana both are nouns.

Word	Noun	Adjective	Verb	Adverb
European Union	Yes	No	No	No
Espana	Yes	No	No	No

European Union (noun)	Espana (noun)
an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members	a parliamentary monarchy in southwestern Europe on the Iberian Peninsula; a former colonial power