redemption vs redemptional

redemption is a noun but redemptional is not a noun.

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

redemption (noun)	redemptional (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)

redemption (adjective)	redemptional (adjective)
	of or relating to or resulting in redemption