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