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