computing vs spool

computing and spool both are nouns.

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

computing (noun)	spool (noun)
the procedure of calculating; determining something by mathematical or logical methods	a winder around which thread or tape or film or other flexible materials can be wound
the branch of engineering science that studies (with the aid of computers) computable processes and structures

computing (verb)	spool (verb)
	wind onto a spool or a reel
	transfer data intended for a peripheral device (usually a printer) into temporary storage