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

• thousandths
• thousand-year
• thowel
• thowl
• thowless
• tho’
• thrae
• thraldom
• thraldoms
• thrall
• thralldom
• thralldoms
• thralled
• thralling
• thralls
• thrang
• thrapple
• thrappled
• thrapples
• thrappling
• thrash
• thrashed
• thrasher
• thrashers
• thrashes