Here's what rhymes with postpetiole.
whole role soul coal goal hole pole roll sole bowl fol mole poll stole toll knoll shoal dole foal bole boll petiole thole vole kohl tole dolour skoal patrol parole scroll stroll droll troll unroll oriole prole enroll systole casserole extol vacuole buttonhole cajole bedroll condole pigeonhole cubbyhole maypole extoll rissole control glycerol arteriole camisole beanpole innersole decontrol profiterole quadrupole