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