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