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