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