Kassite vs natural language

Kassite and natural language both are nouns.

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

As nouns, natural language is a hypernym of Kassite; that is, natural language is a word with a broader meaning than Kassite:

Kassite: an ancient language spoken by the Kassites
natural language: a human written or spoken language used by a community; opposed to e.g. a computer language

Other hypernyms of Kassite include tongue.

Kassite (noun)	natural language (noun)
an ancient language spoken by the Kassites	a human written or spoken language used by a community; opposed to e.g. a computer language
a member of an ancient people who ruled Babylonia between 1600 and 1200 BC