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

• overfalling
• overfalls
• overfamiliar
• overfamiliarities
• overfamiliarity
• overfar
• overfed
• overfeed
• overfeeding
• overfeeds
• overfell
• overfill
• overfilled
• overfilling
• overfills
• overfine
• overfineness
• overfinenesses
• overfinished
• overfish
• overfished
• overfishes
• overfishing
• overflew
• overflies