defection (n.)

• abandonment
• about-face
• accommodation
• adaptation
• adjustment
• alienation
• alteration
• amelioration
• apostasy
• backsliding
• betrayal
• betterment
• blemish
• bolt
• break
• breakaway
• bug
• catch
• change
• changeableness
• continuity
• conversion
• crack
• default
• defect
• deficiency
• degeneration
• delinquency
• dereliction
• deserter
• desertion
• deterioration
• deviation
• difference
• disaffection
• discontinuity
• dishonor
• disloyalty
• disownment
• divergence
• diversification
• diversion
• diversity
• divorce
• drawback
• estrangement
• failing
• failure
• faithlessness
• falseness
• fault
• fitting
• flaw
• flip-flop
• foible
• forsaking
• frailty
• hole
• imperfection
• improvement
• inadequacy
• infirmity
• kink
• melioration
• mitigation
• modification
• modulation
• nonpayment
• nonremittal
• overthrow
• parting
• problem
• protest
• qualification
• ratting
• re-creation
• recidivism
• reform
• reformation
• rejection
• remaking
• renewal
• renunciation
• repudiation
• reversal
• revival
• revivification
• revolution
• rift
• schism
• secession
• separation
• shift
• shortcoming
• snag
• switch
• taint
• tergiversation
• transition
• treason
• turn
• turnabout
• upheaval
• variation
• variety
• walkout
• weakness
• worsening