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