Kizil Kum vs Kyzyl Kum

Kizil Kum and Kyzyl Kum both are nouns.

Word	Noun	Adjective	Verb	Adverb
Kizil Kum	Yes	No	No	No
Kyzyl Kum	Yes	No	No	No

As nouns, Kizil Kum and Kyzyl Kum are synonyms defined as:

Kizil Kum and Kyzyl Kum: a desert in Uzbekistan to the southeast of the Aral Sea

Other synonyms of Kizil Kum include Qizil Qum.

Kizil Kum (noun)	Kyzyl Kum (noun)
a desert in Uzbekistan to the southeast of the Aral Sea	a desert in Uzbekistan to the southeast of the Aral Sea