Cassite language vs Kassite language

Cassite language and Kassite language both are nouns.

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

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

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

Other synonyms of Cassite language include Cassite, Kassite.

Cassite language (noun)	Kassite language (noun)
an ancient language spoken by the Kassites	an ancient language spoken by the Kassites