potency vs potentiality

potency and potentiality both are nouns.

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

As nouns, potency and potentiality are synonyms defined as:

Other synonyms of potency include potential.

potency (noun)	potentiality (noun)
capacity to produce strong physiological or chemical effects	an aptitude that may be developed
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