overwrite vs computing

overwrite is not a noun while computing is a noun.

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

overwrite (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

overwrite (verb)	computing (verb)
write new data on top of existing data and thus erase the previously existing data