Basque language vs Basque

Basque language and Basque both are nouns.

Word	Noun	Adjective	Verb	Adverb
Basque language	Yes	No	No	No
Basque	Yes	No	No	No

As nouns, Basque language and Basque are synonyms defined as:

Basque language and Basque: the language of the Basque people; of no known relation to any other language

Basque language (noun)	Basque (noun)
the language of the Basque people; of no known relation to any other language	the language of the Basque people; of no known relation to any other language
	a member of a people of unknown origin living in the western Pyrenees in France and Spain