document vs computing

document and computing both are nouns.

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

document (noun)	computing (noun)
anything serving as a representation of a person's thinking by means of symbolic marks	the procedure of calculating; determining something by mathematical or logical methods
writing that provides information (especially information of an official nature)	the branch of engineering science that studies (with the aid of computers) computable processes and structures
(computer science) a computer file that contains text (and possibly formatting instructions) using seven-bit ASCII characters
a written account of ownership or obligation

document (verb)	computing (verb)
support or supply with references
record in detail