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