secession (n.)
- alienation
- apostasy
- backsliding
- betrayal
- bolt
- break
- breakaway
- breaking
- defection
- dereliction
- deserter
- desertion
- difference
- disagreement
- disapprobation
- disapproval
- disloyalty
- disparity
- dissatisfaction
- dissension
- dissent
- dissidence
- diversity
- faithlessness
- nonconformity
- opposition
- ratting
- recidivism
- recusancy
- rejection
- repudiation
- retirement
- schism
- separation
- treason
- underground
- variance
- walkout
- withdrawal