Protestations rhymes with:
infestations, crustaceans, infestations, manifestations, station's, stations, stations', adaptations, amputations, annotations, citations, computations, confrontations, connotations, consultations, crustaceans, decapitations, deportations, exhortations, expectations, flirtations, hesitations, imitations, infestations, interpretations, invitations, irritations, limitations, manifestations, meditations, misrepresentations, mutations, notations, orientations, palpitations, permutations, plantations, presentations, quotations, recitations, rehabilitations, representations, reputations, rotations, solicitations, station's, stations, stations', temptations, transportation's, visitations
Protestations sounds like:
predicating, predicting, predictions, production's, productions, productions', protecting, protections, protesting