desert vs Death Valley

desert and Death Valley both are nouns.

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

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

desert (verb)	Death Valley (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