Sonoran Desert vs desert

Sonoran Desert and desert both are nouns.

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

Sonoran Desert (noun)	desert (noun)
a desert in southwestern Arizona	arid land with little or no vegetation
	(usually plural) a person's deservingness of or entitlement to reward or punishment

Sonoran Desert (verb)	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