earn vs sack

earn is not a noun while sack is a noun.

Word	Noun	Adjective	Verb	Adverb
earn	No	No	Yes	No
sack	Yes	No	Yes	No

earn (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

earn (verb)	sack (verb)
earn on some commercial or business transaction; earn as salary or wages	put in a sack
acquire or deserve by one's efforts or actions	plunder (a town) after capture
	make as a net profit
	terminate the employment of; discharge from an office or position