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