cascade down vs descend

cascade down and descend both are verbs.

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

As verbs, descend is a hypernym of cascade down; that is, descend is a word with a broader meaning than cascade down:

Other hypernyms of cascade down include come down, fall, go down.

cascade down (verb)	descend (verb)
rush down in big quantities, like a cascade	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