avalanche, cadence, catabasis, catenary, cessation, coast, collapse, crash, dead set, dead stand, dead stop, deadlock, deceleration, declension, decline, decline and fall, decrescendo, decurrence, diminuendo, dive, downtrend, downturn, droop, drop, dwindling, dying down, ebb, ebbing, fall, full stop, glide, glissade, glissando, halt, landslide, landslip, lapse, lock, lowering, plunge, remission, retreat, sag, sideslip, sinkage, skid, slide, slip, slippage, slither, slowdown, slump, snowslide, snowslip, stand, standstill, stillstand, stop, submergence, swag, wane, waning
nonincrease, decrease, decrease, diminution, lessening, subtraction, reduction, abatement, declension, shrinking (contraction, ), coarctation, abridgment, extenuation, subsidence
, wane, ebb, decline, ebbing, descent, decrement, reflux, depreciation, deterioration, anticlimax, mitigation, unincreased, decreased, decreasing, on the wane, a gilded halo hovering round decay, fine by degrees and beautifully less.
descent, descension, declension, declination, fall, falling, slump, drop, plunge, plummet, cadence, subsidence
, collapse, lapse, downfall, tumble, slip, tilt, trip, lurch, cropper, culbute, titubation, stumble, fate of Icarus, avalanche, debacle, landslip, landslide, declivity, dip, hill, rappel, descending, descendent, decurrent, decursive, labent, deciduous, nodding to its fall, downhill, downwards, the bottom fell out.