Mari vs Cheremiss language

Mari and Cheremiss language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Mari	Yes	No	No	No
Cheremiss language	Yes	No	No	No

As nouns, Mari and Cheremiss language are synonyms defined as:

Other synonyms of Mari include Cheremis, Cheremis language, Cheremiss, Mari language.

Mari (noun)	Cheremiss language (noun)
the Finnic language spoken by the Cheremis	the Finnic language spoken by the Cheremis
a member of a rural Finnish people living in eastern Russia