Here's what rhymes with impregn.
                        
                        
                    
                                Words that almost rhyme with impregn
phlegm  ramequin  apothegm  yen  ren  wren  then  when  men  ten  den  pen  hen  ben  ken  sen  fn  glen  pn  wen  wenn  cairn  chen  denn  fen  jen  again  againe  demesne  amen  moderne  cayenne  lawmen  relearn  oilmen  middlemen  fluorescein  penmen  minutemen  pitchmen  comedienne  signalmen  handymen  anchormen  conmen  businessmen  councilmen  patrolmen  tragedienne  equestrienne  weathermen