Devils' rhymes with:
devil's, devils, devil's, devils, level's, levels, nevels, nevils, revels, approvals, archrivals, arrivals, carnival's, carnivals, crovls, daredevils, devil's, devils, evils, festival's, festivals, hovels, intervals, level's, levels, marvel's, marvels, nevels, nevils, novel's, novels, removals, revels, revivals, rival's, rivals, rivals', shovels, sivils, swivels, travels, unravels, upheavals, weevils
Devils' sounds like:
dabbles, davalos, debelak, debellis, deblasio, deblock, deblois, defalco, defelice, depaolis, deploys, deval's, devil's, devilish, deville's, devils, diblasi, diblasio, difalco, difelice, divulge, doubles, duplessis, duplex