Here's what rhymes with impresssion.
                        
                        
                    
                                lesson  lessen  Words that almost rhyme with impresssion
impression  resin  leaven  seven  heaven  session  eleven  oppression  cession  expression  depression  possession  profession  aggression  compression  procession  repression  suppression  obsession  recession  intercession  digression  discretion  accession  progression  regression  secession  indiscretion  succession  concession  confession  decompression  dispossession  transgression  retrogression  lemon  reckon  leaden  weapon  brethren  intestine  threaten  ingestion  lengthen  melon  pepsin  felon  heron  question  direction  section  election  intention  mention  tension  chairman  injection  pension  strengthen  digestion  erection  tendon  freshman  inflection  dentin  headman  indigestion  headmen  indirection  pectin  sexton  attention  collection  protection  infection  intervention  perception  selection  affection  correction  detection  dimension  inspection  invention  objection  perfection  prevention  rebellion  reception  rejection  intersection  projection  retention  congestion  deception  deflection  detention  dissection  inception  insurrection  resection  defection  dissension  ejection  imperfection  ascension  dejection  inattention  pretension  declension  henchmen  interception  preemption  connection  exception  extension  reflection  suggestion  apprehension  connexion  contention  redemption  resurrection  complexion  subjection  introspection  distension  distention  reelection  abstention  redirection  reflexion  watermelon  conception  convention  comprehension  hypertension  recollection  suspension  exemption  contraception  convection  predilection  condescension  contravention  disaffection  interconnection  disinfection  misapprehension  disconnection  misconception  circumspection