As nouns the difference between purity and potency
is that purity is the state or degree of being pure while potency is strength.
As a proper noun Purity
is {{given name|female|from=English}} from the virtue purity.
purity
English
Noun
(purities)
The state or degree of being pure.
Antonyms
* impurity
potency
English
Noun
(potencies)
Strength
Power
The ability or capacity to perform something.
Related terms
* potence
* potent
* potentate
* potential
* potentiality