Constance rhymes with:
instance, assistance, coexistence, consistence, distance, existence, insistence, instance, outdistance, persistence, resistance, resistence, self-subsistence, subsistence, substance
Constance sounds like:
coincidence, coincidences, coinciding, communicating, communication's, communications, communications', conceding, concocting, concoctions, conjugations, connecting, connections, consistence, consistency, consisting, constancy, constituencies, constituency, constituting, constitution's, constitutions