Reluctance rhymes with:
inductance, inductance, acceptance, acquaintance, admittance, assistance, capacitance, coexistence, consistence, constance, distance, existence, importance, impotence, inadvertence, incompetence, inductance, inheritance, insistence, instance, omnipotence, outdistance, persistence, pittance, quaintance, remittance, repentance, resistance, resistence, self-subsistence, sentence, subsistence, substance
Reluctance sounds like:
ralston's, realizations, reallocating, reelecting, relegating, relocating, relocations