descend vs come down

descend and come down both are verbs.

Word	Noun	Adjective	Verb	Adverb
descend	No	No	Yes	No
come down	No	No	Yes	No

As verbs, descend and come down are synonyms defined as:

descend and come down: move downward and lower, but not necessarily all the way

Other synonyms of descend include fall, go down.

descend (verb)	come down (verb)
come as if by falling	get sick
move downward and lower, but not necessarily all the way	be the essential element
do something that one considers to be below one's dignity	criticize or reprimand harshly
come from; be connected by a relationship of blood, for example	move downward and lower, but not necessarily all the way
	fall from clouds