redeem vs redemption

redeem is not a noun while redemption is a noun.

Word	Noun	Adjective	Verb	Adverb
redeem	No	No	Yes	No
redemption	Yes	No	No	No

redeem (noun)	redemption (noun)
	the act of purchasing back something previously sold
	(theology) the act of delivering from sin or saving from evil
	repayment of the principal amount of a debt or security at or before maturity (as when a corporation repurchases its own stock)

redeem (verb)	redemption (verb)
convert into cash; of commercial papers
pay off (loans or promissory notes)
exchange or buy back for money; under threat
to turn in (vouchers or coupons) and receive something in exchange
restore the honor or worth of
save from sins