Purchasers rhymes with:
purchaser's, purchasers', purchaser's, purchasers', purchaser's, purchasers', canvassers, flagofficers, officers, purchaser's, purchasers'
Purchasers sounds like:
paperworkers, parker's, parkers, parsers, perjures, porkers, preacher's, preachers, precarious, precrash, presser's, pressure's, pressures, pressurize, pressurizes, processor's, processors, progress, progresses, purchaser's, purchasers', pursuers