abatement, agio, allowance, backset, backsliding, backward motion, backward step, bank discount, breakage, cash discount, chain discount, charge-off, concession, curtailment, cut, cutback, deduction, depreciation, discount, drawback, kickback, lapse, penalty, penalty clause, percentage, premium, price-cut, price reduction, pullback, reaction, rebate, rebatement, recession, recidivation, recidivism, reduction, reentry, refluence, reflux, refund, regress, regression, relapse, retrenchment, retroaction, retrocession, retroflexion, retrogradation, retrogression, retrusion, return, salvage, setback, setoff, sternway, tare, throwback, time discount, trade discount, tret, underselling, write-off