input vs computing

input and computing both are nouns.

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

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

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