cascade vs waterfall

cascade and waterfall both are nouns.

Word	Noun	Adjective	Verb	Adverb
cascade	Yes	No	Yes	No
waterfall	Yes	No	No	No

As nouns, waterfall is a hypernym of cascade; that is, waterfall is a word with a broader meaning than cascade:

Other hypernyms of cascade include falls.

cascade (noun)	waterfall (noun)
a sudden downpour (as of tears or sparks etc) likened to a rain shower	a steep descent of the water of a river
a succession of stages or operations or processes or units
a small waterfall or series of small waterfalls

cascade (verb)	waterfall (verb)
arrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible
rush down in big quantities, like a cascade