Here's what rhymes with carbocoal.
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 droll cajole troll prole patrol stroll enroll casserole extol vacuole arteriole petiole unroll bedroll condole oriole cubbyhole maypole extoll beanpole rissole control glycerol systole camisole innersole quadrupole buttonhole decontrol pigeonhole profiterole