pull in vs sack

pull in is not a noun while sack is a noun.

Word	Noun	Adjective	Verb	Adverb
pull in	No	No	Yes	No
sack	Yes	No	Yes	No

pull in (noun)	sack (noun)
	the termination of someone's employment (leaving them free to depart)
	the plundering of a place by an army or mob; usually involves destruction and slaughter
	a bag made of paper or plastic for holding customer's purchases
	a loose-fitting dress hanging straight from the shoulders without a waist
	a hanging bed of canvas or rope netting (usually suspended between two trees); swings easily
	a woman's full loose hiplength jacket
	any of various light dry strong white wine from Spain and Canary Islands (including sherry)
	the quantity contained in a sack
	an enclosed space

pull in (verb)	sack (verb)
direct toward itself or oneself by means of some psychological power or physical attributes	put in a sack
get or bring together	plunder (a town) after capture
of trains; move into (a station)	make as a net profit
earn on some commercial or business transaction; earn as salary or wages	terminate the employment of; discharge from an office or position