2 synonym groups for Contraction

convulsions, contractions, cramps, twitches, tremors, jerks, seizures, shudders, shivers, quivers, paroxysms, fits, throes, tics, jolts, surges, bursts, eruptions, upheavals, agitations, disturbances, perturbations, palpitations, pulsations, vibrations, oscillations, fluctuations, quakes, shakes, jitters, spasmodic movements, involuntary movements, muscle contractions, muscle twitches, muscle spasms, muscle cramps, muscle tremors, muscle jerks, muscle seizures, muscle shudders, muscle shivers, muscle quivers, muscle paroxysms, muscle fits, muscle throes, muscle tics, muscle jolts, muscle surges [x]

reduction, contraction, decrease, diminution, lessening, decline, dwindling, curtailment, attenuation, abatement, compression, constriction, retrenchment, tapering, shrink, recession, subsidence, waning, mitigation, cutback, deflation, minimization, abridgment, truncation, shortening, tightening, squeezing, narrowing, slashing, pruning, whittling, paring, clipping, shaving, shearing, cropping, trimming, downsizing, economizing, belt-tightening, cut, drop, fall, loss, depletion, erosion, attrition, withering, decay [x]