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

• skyscraper
• skywalk
• skyward
• skywards
• skyway
• skywriter
• skywriting
• SL
• slab
• slabber
• slabbing
• slack
• slack off
• slack suit
• slack tide
• slack up
• slack water
• slacken
• slacken off
• slackening
• slacker
• slacking
• slackly
• slackness
• slacks