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