abatement

giveback, kickback, rebate

dent, depreciation

decline, decrement, diminishment, diminution, drop, fall, loss

forfeit, forfeiture, penalty

deduction, subtraction

downturn, slip, slump

curtailment, cut, cutback, retrenchment, shortening

abortion, calling off, recall

countermand, override, overruling, overturn, veto

retraction, reversal, revocation, suspension, withdrawal

banning, enjoining, forbiddance, outlawing, prohibition

disallowance, dismissal, rejection

elimination, eradication, erasure, liquidation, removal