poenology vs penology

poenology and penology both are nouns.

Word	Noun	Adjective	Verb	Adverb
poenology	Yes	No	No	No
penology	Yes	No	No	No

As nouns, poenology and penology are synonyms defined as:

poenology and penology: the branch of criminology concerned with prison management and prisoner rehabilitation

poenology (noun)	penology (noun)
the branch of criminology concerned with prison management and prisoner rehabilitation	the branch of criminology concerned with prison management and prisoner rehabilitation