Processor's rhymes with:
processors, processors, processors, predecessor's, predecessors, processors, hairdressers, predecessor's, predecessors, processors
Processor's sounds like:
paperworkers, parker's, parkers, parsers, perjures, porkers, preacher's, preachers, precarious, precrash, presser's, pressure's, pressures, pressurize, pressurizes, processors, progress, progresses, purchaser's, purchasers, purchasers', pursuers