Ural-Altaic vs natural language

Ural-Altaic and natural language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ural-Altaic	Yes	No	No	No
natural language	Yes	No	No	No

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

Ural-Altaic: a (postulated) group of languages including many of the indigenous languages of Russia (but not Russian)
natural language: a human written or spoken language used by a community; opposed to e.g. a computer language

Other hypernyms of Ural-Altaic include tongue.

Ural-Altaic (noun)	natural language (noun)
a (postulated) group of languages including many of the indigenous languages of Russia (but not Russian)	a human written or spoken language used by a community; opposed to e.g. a computer language