extortion (n.)

• banditry
• blackmail
• call
• claim
• contribution
• demand
• draft
• drain
• duty
• exaction
• exploitation
• heist
• hijacking
• holdup
• imposition
• impost
• indent
• levy
• mugging
• notice
• order
• overcharge
• requirement
• requisition
• ripping
• robbery
• robbing
• rush
• shakedown
• stickup
• surcharge
• tax
• tearing
• tribute
• ultimatum
• usury
• vampirism
• warning
• wrench
• wring