Synonyms of backsliding

2 Syllables
lapsing, lapse, toryism
3 Syllables
desertion, disownment, defections, backslide, reversion, relapse, defection, reverting, regressions, decline, relapsing, recreancy, atavism, regression, relapsed, desertions
4 Syllables
renegade, obscurantism, recidivism
5 Syllables
tergiversation, retrogradations, retrogradation, untraditional
6 Syllables
counterrevolution