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