Here's what rhymes with concion.
luncheon Words that almost rhyme with concion
dungeon corundum lumpen shantung secundum dumdum cementum carborundum onion anon gunman unman cousin oven unction coven bunion scutcheon grunion kuchen sudden button corruption dozen suction summon mutton sullen muslin fuckin globin irruption yeomen escutcheon glutton gulden muffin dudgeon gumption toughen mullion piton roughen scullion nubbin dubbin function someone combustion junction eruption emulsion percussion sultan sunken avulsion exciton huntsman bludgeon decagon dustman stuntman biathlon discussion assumption reduction induction conduction deduction compulsion drunken expulsion abduction repulsion seduction tungsten concussion convulsion perdition revulsion shrunken impulsion unbutton dustpan caparison production consumption conjunction disruption injunction interruption resumption androgen propulsion compunction semicolon subduction repercussion ragamuffin construction destruction instruction dysfunction obstruction presumption disjunction malfunction liposuction bellybutton introduction reproduction transduction reconstruction deconstruction overproduction reintroduction misconstruction underproduction