- dependable
- dependably
- penologist
- penologies
- penology's
Nope, wrong. And stop thinking dirty. Here's what google says:
pe·nol·o·gy also poe·nol·o·gy (pē-nŏl'ə-jē)

n.
The study, theory, and practice of prison management and criminal rehabilitation.
..........I knew that.