computing vs iteration

computing and iteration both are nouns.

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

computing (noun)	iteration (noun)
the procedure of calculating; determining something by mathematical or logical methods	doing or saying again; a repeated performance
the branch of engineering science that studies (with the aid of computers) computable processes and structures	(computer science) executing the same set of instructions a given number of times or until a specified result is obtained
	(computer science) a single execution of a set of instructions that are to be repeated