descend vs lower

descend is not a noun while lower is a noun.

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

descend (noun)	lower (noun)
	the lower of two berths

descend (adjective)	lower (adjective)
	the bottom one of two

descend (verb)	lower (verb)
come as if by falling	make lower or quieter
move downward and lower, but not necessarily all the way	set lower
do something that one considers to be below one's dignity	cause to drop or sink
come from; be connected by a relationship of blood, for example	move something or somebody to a lower position
	look angry or sullen, wrinkle one's forehead, as if to signal disapproval