Prov.

1. Provence
2. (the Book of) Proverbs (Bible)
3. Provincial
4. Provost

• photocurrent
• photocurrents
• photodegradable
• photodiode
• photodiodes
• photodissociation
• photodynamic
• photoelastic
• photoelasticities
• photoelasticity
• photoelectric
• photoelectric cell
• photoelectricity
• photoelectrode
• photoelectrodes
• photoelectron
• photoelectronics
• photoelectrons
• photo-emission
• photo-engraving
• photo-essay
• photo-essays
• photo-etching
• photo finish
• photo finishes