Repudiating rhymes with:
mediating, radiating, abbreviating, affiliating, alleviating, appreciating, appropriating, asphyxiating, associating, delineating, depreciating, deviating, differentiating, emaciating, enunciating, excoriating, excruciating, humiliating, inebriating, infuriating, ingratiating, initiating, instantiating, mediating, misappropriating, nauseating, negotiating, obviating, officiating, permeating, radiating, recreating, renegotiating, repatriating, retaliating
Repudiating sounds like:
rafting, rebutting, refitting, refuting, repeating, repetitions, reputations, riveting