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

• sturts
• Sturt's desert pea
• stushie
• stutter
• stuttered
• stutterer
• stutterers
• stuttering
• stutteringly
• stutterings
• stutters
• STV
• St Valentine's Day
• St Valentine's Days
• St Vitus's dance
• sty
• stye
• styed
• styes
• Stygian
• Stygian oath
• stying
• stylar
• stylate
• style