Spanish vs Spanish language

Spanish and Spanish language both are nouns.

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

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

Spanish and Spanish language: the Romance language spoken in most of Spain and the countries colonized by Spain

Spanish (noun)	Spanish language (noun)
the Romance language spoken in most of Spain and the countries colonized by Spain	the Romance language spoken in most of Spain and the countries colonized by Spain
the people of Spain

Spanish (adjective)	Spanish language (adjective)
of or relating to or characteristic of Spain or the people of Spain