Here's what rhymes with umpn.
                        
                        
                    
                                ten  den  pen  ben  chen  denn  jen  then  when  men  hen  ken  sen  yen  fn  pn  wen  wenn  fen  ren  wren  again  againe  glen  amen  cayenne  conmen  lawmen  comedienne  oilmen  penmen  handymen  anchormen  pitchmen  middlemen  minutemen  tragedienne  weathermen  businessmen  councilmen  patrolmen  signalmen  equestrienne  Words that almost rhyme with umpn
gem  them  stem  condemn  pm  hem  femme  heme  mem  rem  eadem  feng  sheng  rpm  hmm  ppm  morpheme  diadem  blaspheme  cairn  moderne  demesne  ramequin  relearn  fluorescein