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

• preachiest
• preachified
• preachifies
• preachify
• preachifying
• preachily
• preachiness
• preachinesses
• preaching
• preaching-cross
• preaching-crosses
• preaching friar
• preaching friars
• preaching-house
• preaching-houses
• preachings
• preaching with a view
• preachment
• preachments
• preach to the choir
• preach up
• preachy
• preacing
• preacquaint
• preacquaintance