Turkistan vs geographic region

Turkistan and geographic region both are nouns.

Word	Noun	Adjective	Verb	Adverb
Turkistan	Yes	No	No	No
geographic region	Yes	No	No	No

Turkistan (noun)	geographic region (noun)
a historical region of central Asia that was a center for trade between the East and the West	a demarcated area of the Earth