Afrasian vs natural language

Afrasian and natural language both are nouns.

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

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

Afrasian: a large family of related languages spoken both in Asia and Africa
natural language: a human written or spoken language used by a community; opposed to e.g. a computer language

Other hypernyms of Afrasian include tongue.

Afrasian (noun)	natural language (noun)
a large family of related languages spoken both in Asia and Africa	a human written or spoken language used by a community; opposed to e.g. a computer language