Miao vs natural language

Miao and natural language both are nouns.

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

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

Miao: a language of uncertain affiliation spoken by the Hmong
natural language: a human written or spoken language used by a community; opposed to e.g. a computer language

Other hypernyms of Miao include tongue.

Miao (noun)	natural language (noun)
a language of uncertain affiliation spoken by the Hmong	a human written or spoken language used by a community; opposed to e.g. a computer language
a people living traditionally in mountain villages in southern China and adjacent areas of Vietnam and Laos and Thailand; many have emigrated to the United States