Death Valley vs desert

Death Valley and desert both are nouns.

Word	Noun	Adjective	Verb	Adverb
Death Valley	Yes	No	No	No
desert	Yes	No	Yes	No

Death Valley (noun)	desert (noun)
a desert area that is part of the Mojave Desert in eastern California and southwestern Nevada; contains the lowest point in North America	arid land with little or no vegetation
	(usually plural) a person's deservingness of or entitlement to reward or punishment

Death Valley (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