Basque vs Basque language

Basque and Basque language both are nouns.

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

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

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

Basque (noun)	Basque language (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