cascade vs computer science

cascade and computer science both are nouns.

Word	Noun	Adjective	Verb	Adverb
cascade	Yes	No	Yes	No
computer science	Yes	No	No	No

cascade (noun)	computer science (noun)
a sudden downpour (as of tears or sparks etc) likened to a rain shower	the branch of engineering science that studies (with the aid of computers) computable processes and structures
a succession of stages or operations or processes or units
a small waterfall or series of small waterfalls

cascade (verb)	computer science (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