Quincy's rhymes with:
vinci's, agencies, agencies', agency's, clancy's, competencies, conservancy's, constituencies, contingencies, counterinsurgencies, currencies, currencies', currency's, deficiencies, delinquencies, dependencies, discrepancies, efficiencies, emergencies, excellencies, exigencies, expectancies, fancies, frequencies, inconsistencies, inefficiencies, insolvencies, insurgencies, malignancies, nancy's, pregnancies, presidencies, presidency's, redundancies, regency's, residencies, tendencies, transparencies, vacancies, vinci's
Quincy's sounds like:
qing, qmax, quaking, quanex, quang, quashing, queasiness, queen's, queens, queensway, quench, quenches, queuing, quickening, quickens, quickness, quina's, quince, quincey, quincy, quinn's, quinoco, quinones, quinonez, quizzing