THESAURUS
agreement to disagree, alienation, apostasy, backsliding, betrayal, bolt, break, breakaway, breaking, counter-culture, defection, dereliction, deserter, desertion, difference, disaccord, disagreement, disapprobation, disapproval, disloyalty, disparity, dissatisfaction, dissension, dissent, dissentience, dissidence, diversity, dropping out, faithlessness, going over, minority opinion, nonagreement, nonassent, nonconcurrence, nonconformity, nonconsent, opposition, ratting, recidivation, recidivism, recreancy, recusance, recusancy, rejection, repudiation, retirement, schism, separation, treason, turning traitor, underground, variance, walkout, withdrawal