potent vs potency

potent is not a noun while potency is a noun.

Word	Noun	Adjective	Verb	Adverb
potent	No	Yes	No	No
potency	Yes	No	No	No

potent (noun)	potency (noun)
	capacity to produce strong physiological or chemical effects
	the power or right to give orders or make decisions
	the state of being potent; a male's capacity to have sexual intercourse
	the inherent capacity for coming into being

potent (adjective)	potency (adjective)
having a strong physiological or chemical effect
(of a male) capable of copulation
having great influence
having or wielding force or authority