Kassite vs Cassite language

Kassite and Cassite language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kassite	Yes	No	No	No
Cassite language	Yes	No	No	No

As nouns, Kassite and Cassite language are synonyms defined as:

Kassite and Cassite language: an ancient language spoken by the Kassites

Other synonyms of Kassite include Cassite, Kassite language.

Kassite (noun)	Cassite language (noun)
an ancient language spoken by the Kassites	an ancient language spoken by the Kassites
a member of an ancient people who ruled Babylonia between 1600 and 1200 BC