desert vs Kalahari Desert

desert and Kalahari Desert both are nouns.

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

desert (noun)	Kalahari Desert (noun)
arid land with little or no vegetation	a desert in southwestern Africa - largely Botswana
(usually plural) a person's deservingness of or entitlement to reward or punishment

desert (verb)	Kalahari 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