Turko-Tatar vs Turki

Turko-Tatar and Turki both are nouns.

Word	Noun	Adjective	Verb	Adverb
Turko-Tatar	Yes	No	No	No
Turki	Yes	No	No	No

As nouns, Turko-Tatar and Turki are synonyms defined as:

Other synonyms of Turko-Tatar include Turkic, Turkic language.

Turko-Tatar (noun)	Turki (noun)
a subfamily of Altaic languages	a subfamily of Altaic languages
	any member of the peoples speaking a Turkic language