Mordvin vs Mordvin language

Mordvin and Mordvin language both are nouns.

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

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

Mordvin and Mordvin language: the Finnic language spoken by the Mordvinians

Other synonyms of Mordvin include Mordva, Mordva language, Mordvinian, Mordvinian language.

Mordvin (noun)	Mordvin language (noun)
the Finnic language spoken by the Mordvinians	the Finnic language spoken by the Mordvinians
a member of the agricultural people living in the central Volga provinces of European Russia