Hmong language vs Miao language

Hmong language and Miao language both are nouns.

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

As nouns, Hmong language and Miao language are synonyms defined as:

Hmong language and Miao language: a language of uncertain affiliation spoken by the Hmong

Other synonyms of Hmong language include Hmong, Miao.

Hmong language (noun)	Miao language (noun)
a language of uncertain affiliation spoken by the Hmong	a language of uncertain affiliation spoken by the Hmong