desert vs Nubian Desert

desert and Nubian Desert both are nouns.

Word	Noun	Adjective	Verb	Adverb
desert	Yes	No	Yes	No
Nubian Desert	Yes	No	No	No

desert (noun)	Nubian Desert (noun)
arid land with little or no vegetation	an arid sandstone plateau in northeastern Sudan between the Nile and the Red Sea
(usually plural) a person's deservingness of or entitlement to reward or punishment

desert (verb)	Nubian Desert (verb)
leave someone who needs or counts on you; leave in the lurch
leave behind
desert (a cause, a country or an army), often in order to join the opposing cause, country, or army