Kirghiz vs Khirghiz language

Kirghiz and Khirghiz language both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kirghiz	Yes	No	No	No
Khirghiz language	Yes	No	No	No

As nouns, Kirghiz and Khirghiz language are synonyms defined as:

Kirghiz and Khirghiz language: the Turkic language spoken by the Kirghiz

Other synonyms of Kirghiz include Khirghiz, Kirghiz language, Kirgiz, Kirgiz language.

Kirghiz (noun)	Khirghiz language (noun)
the Turkic language spoken by the Kirghiz	the Turkic language spoken by the Kirghiz
a landlocked republic in west central Asia bordering on northwestern China; formerly an Asian soviet but became independent in 1991
a member of a people vast regions of central Siberia