Synonyms of decay

1 Syllable
rot, ruin, blight, ebb, rust
2 Syllables
dirtying, peter, withers, dwindling, wither, blighting, rotting, squalor, ebbing, crumbling, wasting, ebbed, dirtied, besoil, blighted, fester, festers, caries, failing, rusted, crumbled, fading, dwindle, crumble, downfall, slumped, unhealth, dying, reflux, rotted, dwindled, peters, rusting
3 Syllables
unsuccess, withering, putresce, atrophy, impairment, puniness, weakliness, festering, stagnate, perishing, stagnating, putrefied, failure, decreased, entropies, stagnated, decrease, putrefying, implosions, vulgarism, spoilage, gangrene, extinction, unwellness, consumption, implosion, cavity, declensions, unsoundness, sickliness, declension, decreasing, ruination, decline, wastage, consumptions, corrosion, putrefy, griminess, grubbiness, festered, cavities, putridness, spoilation, retroflux, refluence, petering, seediness, grunginess, disrepair, entropy, corrosions
4 Syllables
depreciated, disimprove, depreciate, constipating, suppurate, putrefaction, putrescence, putridity, constipate, unthriftiness, insolvency, decompose, decomposing, infirmities, diminution, nonfeasance, oxidations, senescence, unhealthiness, dissolution, decadence, depreciating, vegetating, ulcerate, depreciation, diseasedness, vegetated, suppurating, decadency, infirmity, decomposed, retrocession, vegetate, oxidation
5 Syllables
disintegrated, unsuccessfulness, decomposition, atomization, devalorize, maleficence, disintegrate, contaminations, contamination, decrepitude, deterioration, degeneracy, decompositions, disintegrating, degeneration, disintegration, dilapidation, mortification, adulteration, radioactivation
6 Syllables
insubstantiality, unsubstantiality