Problem's rhymes with:
problems, problems, problems, emblems, problems, allums, alums, collums, columns, cullum's, curriculums, dellums, emblems, hallums, harlem's, hellams, hellums, hoodlums, jaglom's, jerusalem's, kellams, ludlam's, ludlum's, moslems, muslims, neloms, problems, salem's, willaims, willems, woolums
Problem's sounds like:
parboiling, preplanning, prevailing, prevalence, problems, profiling, propelling