iterate vs computing

iterate is not a noun while computing is a noun.

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

iterate (noun)	computing (noun)
	the procedure of calculating; determining something by mathematical or logical methods
	the branch of engineering science that studies (with the aid of computers) computable processes and structures

iterate (verb)	computing (verb)
run or be performed again
to say, state, or perform again