computing vs netmail

computing is a noun but netmail is not a noun.

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

computing (noun)	netmail (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

computing (verb)	netmail (verb)
	communicate electronically on the computer