potency vs potential

potency and potential both are nouns.

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

As nouns, potency and potential are synonyms defined as:

Other synonyms of potency include potentiality.

potency (noun)	potential (noun)
capacity to produce strong physiological or chemical effects	the difference in electrical charge between two points in a circuit expressed in volts
the power or right to give orders or make decisions	the inherent capacity for coming into being
the state of being potent; a male's capacity to have sexual intercourse
the inherent capacity for coming into being

potency (adjective)	potential (adjective)
	existing in possibility
	expected to become or be; in prospect