cascade vs come down

cascade is a noun but come down is not a noun.

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

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

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

cascade (noun)	come down (noun)
a sudden downpour (as of tears or sparks etc) likened to a rain shower
a succession of stages or operations or processes or units
a small waterfall or series of small waterfalls

cascade (verb)	come down (verb)
arrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible	get sick
rush down in big quantities, like a cascade	be the essential element
	criticize or reprimand harshly
	move downward and lower, but not necessarily all the way
	fall from clouds