Grievances rhymes with:
provinces, alliances, ambulances, appearances, appliances, audience's, audiences, balances, condolences, conferences, confidence's, distances, disturbances, entrances, evidences, fragrances, indulgences, instances, performances, prominences, protuberances, provinces, resemblances, sciences, sentences, sequences, substances
Grievances sounds like:
girobank, grabbing, grabens, grabinski, grapevines, gribbins, grievance, grieving, griffin's, griffing, griping, gripping, groping, grouping, groupings, gryphons