abandon, abandonment, abjection, about-face, accommodation, adaptation, adjustment, alteration, amelioration, apostasy, atrophy, betterment, break, change, change of heart, changeableness, closed loop, closed sequence, comedown, constructive change, continuity, conversion, corruptedness, corruption, corruptness, current-control circuit, debasement, decadence, decadency, declension, declination, decline, defection, deformation, degeneracy, degenerateness, degenerative change, degradation, demoralization, demotion, depravation, depravedness, depravity, depreciation, derogation, descent, deterioration, deviation, devolution, difference, discontinuity, dissoluteness, divergence, diversification, diversion, diversity, downfall, downgrade, downtrend, downturn, downward mobility, downward trend, drop, dying, ebb, effeteness, fading, failing, failure, failure of nerve, fall, falling-off, feedback, fitting, flip-flop, flip-flop circuit, gradual change, improvement, involution, lapse, loss of tone, melioration, mitigation, modification, modulation, moral pollution, moral turpitude, overthrow, perversion, positive feedback, process loop, profligacy, qualification, quality loop, radical change, re-creation, realignment, redesign, reform, reformation, regression, remaking, renewal, reprobacy, reshaping, restructuring, retrocession, retrogradation, retrogression, reversal, reversed feedback, revival, revivification, revolution, rottenness, shift, slippage, slump, sudden change, switch, total change, transition, turn, turnabout, turpitude, upheaval, variation, variety, violent change, wane, worsening