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