1. Used to denote the end of a proof of some proposition
   - QED

Encyclopedia: Quod erat demonstrandum

• incapacitating
• incapacitation
• incapacity
• incarcerate
• incarceration
• incarnadine
• incarnate
• incarnation
• incase
• incased
• incasement
• incaution
• incautious
• incautiously
• plough on
• ploughboy
• ploughed
• ploughing
• ploughland
• ploughman
• ploughman's lunch
• ploughshare
• ploughwright
• Plovdiv
• plover