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

• Uncle Sam
• Uncle Tom
• unclean
• uncleanliness
• uncleanly
• uncleanness
• unclear
• uncleared
• unclearly
• unclearness
• unclimbable
• unclip
• unclipped
• uncloak
• unclog
• unclogged
• unclose
• unclothe
• unclothed
• unclouded
• uncloudedness
• unclutter
• uncluttered
• unco
• uncoated