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