forsake vs desert

forsake is not a noun while desert is a noun.

Word	Noun	Adjective	Verb	Adverb
forsake	No	No	Yes	No
desert	Yes	No	Yes	No

As verbs, forsake and desert are synonyms defined as:

forsake and desert: leave someone who needs or counts on you; leave in the lurch

Other synonyms of forsake include abandon, desolate.

forsake (noun)	desert (noun)
	arid land with little or no vegetation
	(usually plural) a person's deservingness of or entitlement to reward or punishment

forsake (verb)	desert (verb)
leave someone who needs or counts on you; leave in the lurch	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