Spain vs Espana

Spain and Espana both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spain	Yes	No	No	No
Espana	Yes	No	No	No

As nouns, Spain and Espana are synonyms defined as:

Spain and Espana: a parliamentary monarchy in southwestern Europe on the Iberian Peninsula; a former colonial power

Other synonyms of Spain include Kingdom of Spain.

Spain (noun)	Espana (noun)
a parliamentary monarchy in southwestern Europe on the Iberian Peninsula; a former colonial power	a parliamentary monarchy in southwestern Europe on the Iberian Peninsula; a former colonial power