Spaniard vs European

Spaniard and European both are nouns.

Word	Noun	Adjective	Verb	Adverb
Spaniard	Yes	No	No	No
European	Yes	Yes	No	No

As nouns, European is a hypernym of Spaniard; that is, European is a word with a broader meaning than Spaniard:

Spaniard (noun)	European (noun)
a native or inhabitant of Spain	a native or inhabitant of Europe

Spaniard (adjective)	European (adjective)
	of or relating to or characteristic of Europe or the people of Europe