deterioration (n.)

• about-face
• accommodation
• adaptation
• adjustment
• aggravation
• alteration
• amelioration
• amplification
• annoyance
• apostasy
• atrophy
• augmentation
• betterment
• break
• change
• changeableness
• comedown
• contentiousness
• continuity
• conversion
• debasement
• decadence
• decadency
• decay
• declension
• declination
• decline
• decomposition
• deepening
• defection
• deformation
• degeneracy
• degeneration
• degradation
• demotion
• depravation
• depreciation
• derogation
• descent
• devaluation
• deviation
• devolution
• difference
• discontinuity
• disintegration
• dislocation
• disruption
• dissolution
• divergence
• diversification
• diversion
• diversity
• downfall
• downgrade
• downturn
• drop
• dying
• ebb
• ebbing
• embitterment
• enhancement
• enlargement
• exacerbation
• exasperation
• fading
• failing
• failure
• fall
• fitting
• flip-flop
• impairment
• improvement
• increase
• intensification
• involution
• irritation
• lapse
• lessening
• magnification
• melioration
• mitigation
• modification
• modulation
• overthrow
• provocation
• qualification
• re-creation
• reform
• reformation
• regression
• remaking
• renewal
• retrogression
• reversal
• revival
• revivification
• revolution
• rotting
• ruin
• shift
• slippage
• slump
• souring
• spoiling
• switch
• transition
• turn
• turnabout
• upheaval
• variation
• variety
• wane
• waning
• worsening