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