Prisoner's rhymes with:
prisoners, prisoners', prisoners, prisoners', prisoners, prisoners', prisoners, prisoners', reasoner's, commissioner's, commissioners, commoners, conditioners, confectioners, coroner's, coroners, examiner's, executioner's, executioners, falconers, fasteners, foreigners, foreigners', fresheners, gardener's, gardeners, hardeners, listeners, londoners, mariners, openers, parishioners, pensioners, petitioners, practitioners, prisoners, prisoners', probationers, questioners, reasoner's, schuldener's, stationers, sweeteners, vacationers, vacationers'
Prisoner's sounds like:
parishioners, prisoners, prisoners'