1. The science which treats of public punishments.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• genoligy,
• thenology,
• geanology,
• patology,
• pahology,
• penolope,
• anology,
• phaenology,
• tehnology,
• genelogy,
• geniology,
• penolty,
• annology,
• genalogy,
• tenology,
• otnology,
• pycology,
• pology,
• genology,
• aetology

• penologist,
• penaloza,
• phonology,
• poenology.

The adjective form of "penology" is "penological".

The plural of the "penology" can be the "penologies".

The singular of the "penology" can be the "penology".