What is another word for "depreciation"?

Roget's Thesaurus (1911) lists these synonyms for "depreciation": abate, abatement, abridge, abridgment, admission, agio, allow, allowance, and, anticlimax, attenuate, away, backwardation, bargain, bate, below, bon, business, buy, catchpenny, charge, cheap, cheapness, coarctation, come, concession, contango, contract, contraction, cost, costless, coupon, crumble, deadhead, decay, declension, decline, decrease, decreasing, decrement.