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

• classy
• clastic
• clasts
• clat
• clatch
• clatched
• clatches
• clatching
• clathrate
• clats
• clatted
• clatter
• clattered
• clatterer
• clatterers
• clattering
• clatteringly
• clatters
• clattery
• clatting
• claucht
• clauchted
• clauchting
• clauchts
• Claude Lorraine glass