descend vs descent

descend is not a noun while descent is a noun.

Word	Noun	Adjective	Verb	Adverb
descend	No	No	Yes	No
descent	Yes	No	No	No

descend (noun)	descent (noun)
	the act of changing your location in a downward direction
	properties attributable to your ancestry
	a movement downward
	the hereditary derivation of an individual
	a downward slope or bend
	the kinship relation between an individual and the individual's progenitors

descend (verb)	descent (verb)
come as if by falling
move downward and lower, but not necessarily all the way
do something that one considers to be below one's dignity
come from; be connected by a relationship of blood, for example