Great Salt Desert vs Kavir Desert

Great Salt Desert and Kavir Desert both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Salt Desert	Yes	No	No	No
Kavir Desert	Yes	No	No	No

As nouns, Great Salt Desert and Kavir Desert are synonyms defined as:

Other synonyms of Great Salt Desert include Dasht-e-Kavir, Dasht-e Kavir.

Great Salt Desert (noun)	Kavir Desert (noun)
a salt desert in north central Iran	a salt desert in north central Iran