Turkestan vs Asia

Turkestan and Asia both are nouns.

Word	Noun	Adjective	Verb	Adverb
Turkestan	Yes	No	No	No
Asia	Yes	No	No	No

Turkestan (noun)	Asia (noun)
a historical region of central Asia that was a center for trade between the East and the West	the nations of the Asian continent collectively
	the largest continent with 60% of the earth's population; it is joined to Europe on the west to form Eurasia; it is the site of some of the world's earliest civilizations