Pittance rhymes with:
admittance, remittance, acceptance, acquaintance, admittance, assistance, capacitance, coexistence, consistence, constance, distance, existence, importance, impotence, inadvertence, incompetence, inductance, inheritance, insistence, instance, omnipotence, outdistance, persistence, quaintance, reluctance, remittance, repentance, resistance, resistence, self-subsistence, sentence, subsistence, substance
Pittance sounds like:
padding, pathans, patience, patons, patten's, patting, patton's, petitioning, petitions, pettiness, petting, petunias, photodynamic, photons, pitting, pitying, pivoting, podiums, podunk, potency, potenza, potions, potomac, pouting, ptomaines, pudding, puddings, pudong, put-ons, putdowns, putnam's, putting, puttnam's, python's