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

• gums
• gum sandarach
• gumshield
• gumshields
• gumshoe
• gumshoed
• gumshoeing
• gumshoes
• gum tragacanth
• gum tree
• gum trees
• gum up the works
• gun
• gun barrel
• gun barrels
• gunboat
• gunboat diplomacy
• gunboats
• gun carriage
• gun carriages
• guncotton
• guncottons
• gun deck
• gun decks
• gundies