1. Per procurationem: by proxy (e.g. when signing off a letter on someone else's behalf) 
2. Per person 
3. Pages

1. A direction in music; to be played very softly
   - pianissimo, very softly

Encyclopedia: Pp

• herpetological
• herpetologist
• herpetology
• Herr
• Herrenvolk
• herrerasaur
• herrerasaurus
• Herrick
• herring
• herring gull
• herring hog
• herring salad
• herringbone
• herringbone pattern
• Herrnhuter
• hers
• Herschel
• stop consonant
• stop dead
• stop number
• stop order
• stop payment
• stop press
• stop up
• stop-loss order