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

• fogy
• fogydom
• fogydoms
• fogyish
• fogyism
• fogyisms
• foh
• foible
• foibles
• foid
• foids
• foie gras
• foies gras
• foil
• foilborne
• foiled
• long-waisted
• longwall
• longwalls
• longwall system
• longwall working
• long-wave
• longways
• longwearing
• long weekend