Synonyms and related words :
abandon, agree to differ, agree to disagree, apostacize, apostatize, be at variance, be in dissent, beg to differ, betray, bolt, break away, change sides, defect, desert, differ, disagree, disagree with, discord with, dissent, dissent from, divide on, drop out, fall away, fall off, forsake, go over, leave, let down, not agree, oppose, pull out, quit, rat, run out on, sell out, switch, switch over, take exception, take issue, turn cloak, withdraw, withhold assent