computing vs input

computing and input both are nouns.

Word	Noun	Adjective	Verb	Adverb
computing	Yes	No	No	No
input	Yes	No	Yes	No

computing (noun)	input (noun)
the procedure of calculating; determining something by mathematical or logical methods	a component of production; something that goes into the production of output
the branch of engineering science that studies (with the aid of computers) computable processes and structures	any stimulating information or event; acts to arouse action
	signal going into an electronic system
	a statement that expresses a personal opinion or belief or adds information

computing (verb)	input (verb)
	enter (data or a program) into a computer