quid pro quo /kwid prō kwō/

1. Something given or taken as equivalent to another, often as retaliation or in return for a previous favour
2. The action or fact of giving or receiving thus

• preppiness
• preppinesses
• prepping
• preppy
• preprandial
• prepress
• prepresses
• pre-print
• pre-prints
• preproduction
• preprogrammed
• preps
• queues
• queuing
• queuings
• quey
• queyn
• queynie
• queys
• quh-
• quia timet
• quibble
• quibbled
• quibbler
• quibblers