Research's rhymes with:
researches, researches, researches, searches, birch's, churches', lurches, perches, researches, searches
Research's sounds like:
racehorse, racehorses, racers, rackers, raisers, rakers, raucher's, razor's, razors, reassures, recharge, recourse, recross, regress, requires, rescuers, reseachers, research, researches, resource, resources, resources', richcreek, rickers, riechers, rigorous, rigors, riker's, rikers, rockers, rockrose, roger's, rogers, rogers', rogers's, rosaria's, rosaries