ablate, ablation, atomization, atomize, atrophy, biodegradability, biodegradation, break down, break up, breakup, canker, caries, carrion, catalysis, catalyst, collapse, come apart, consume, contaminate, corrode, corrosion, corrupt, corruption, crack up, crumble, crumble into dust, crumbling, curdle, dandruff, debilitate, decadence, decline, decompose, decomposition, decrease, defile, degenerate, degeneration, degradability, degradation, deteriorate, deterioration, dialysis, dilapidate, dilapidation, diminish, disintegrate, disintegration, disjoin, disjunction, disorganization, disorganize, dissociation, dissolution, dissolve, downfall, dry rot, dwindle, ebb, enfeeble, erode, erosion, excrement, fading, failing, fall into decay, fall to pieces, ferment, fester, filth, fission, foul matter, foulness, furfur, gangrene, go bad, go off, go to pieces, go to pot, go to seed, hydrolysis, hydrolyst, incoherence, mess, mildew, mold, molder, mortification, mortify, mould, moulder, muck, mucus, necrose, necrosis, obscenity, ordure, oxidation, oxidization, perish, photolysis, pollute, pus, putrefaction, putrefy, putresce, putrescence, putrid matter, putridity, putridness, rancidity, rancidness, rankle, rankness, ravages of time, resolution, rot, rottenness, rotting, ruin, rust, sap, scurf, scuz, slime, slough, smut, snot, sordes, sour, sphacelate, sphacelation, sphacelus, split, splitting, spoil, spoilage, suppurate, taint, thermolysis, tooth decay, turn, undermine, wane, waste away, wasting, weaken, weakening, wear, wear and tear, wear away, wither, work, wreck