Great Sandy Desert vs Ad-Dahna Desert

Great Sandy Desert and Ad-Dahna Desert both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Sandy Desert	Yes	No	No	No
Ad-Dahna Desert	Yes	No	No	No

As nouns, Great Sandy Desert and Ad-Dahna Desert are synonyms defined as:

Great Sandy Desert and Ad-Dahna Desert: a desert in southern Saudi Arabia

Other synonyms of Great Sandy Desert include Ar Rimsal, Dahna, Rub al-Khali.

Great Sandy Desert (noun)	Ad-Dahna Desert (noun)
a desert region in northwestern Australia to the north of the Gibson Desert	a desert in southern Saudi Arabia
a desert in southern Saudi Arabia