Lessen, reduce.
reduce, decrease
decrease, trim, cup, lower, lessen
subtract, take away, take, remove, abstract, withhold, decrease by
decrease, decline, lessen, shrink, dwindle, wane, recede, subside
Synonyms for subtract: deduct subtract take away take remove abstract withhold decrease by
A synonym for subduction is decrease.
decrease
reduce, decrease
reduction, deduction, rebate, decrease
decrease, trim, cup, lower, lessen
decrease, fade, lessen, fall, Or: deny, reject, refuse
reduce, diminish, decrease, dock, cut back, shorten, lessen
subtract, take away, take, remove, abstract, withhold, decrease by
decrease, decline, lessen, shrink, dwindle, wane, recede, subside
A synonym for "make smaller" is "reduce." Other options include "diminish" or "decrease," each conveying the idea of lessening in size or quantity.
comedown, decay, lessening, deterioration, failure, drop
Synonyms for subtract: deduct subtract take away take remove abstract withhold decrease by