What is another word for "decay"?

Roget's Thesaurus (1911) lists these synonyms for "decay": abate, abatement, able, abridge, abridgment, amnesia, amnesty, and, anticlimax, attention, attenuate, away, back, bate, behind, cast, cause, coarctation, come, consign, contract, contraction, crumble, declension, decline, decrease, decreasing, decrement, deliberate, depreciate, depreciation, dequantitate, descend, descent, deterioration, die, diminish, diminution, discharge, discount.