Here's what rhymes with selfdefmition.
                        
                        
                    
                                mission  emission  ignition  omission  fission  technician  addition  definition  commission  edition  permission  physician  admission  ambition  submission  remission  fruition  magician  sedition  volition  dentition  audition  position  condition  tradition  transition  transmission  disposition  petition  suspicion  cognition  inhibition  intuition  nutrition  partition  superstition  clinician  musician  tuition  admonition  apparition  attrition  intermission  patrician  redefinition  rendition  disquisition  logician  premonition  opposition  recognition  expedition  repetition  abolition  ammunition  coalition  deposition  exhibition  exposition  politician  prohibition  imposition  supposition  demolition  erudition  preposition  apposition  contrition  extradition  manumission  rhetorician  statistician  theoretician  competition  composition  acquisition  proposition  mathematician  predisposition  requisition  indisposition  inquisition  precondition  superposition  electrician  obstetrician  decomposition  malnutrition  transposition  interposition  presupposition  pediatrician  superimposition  juxtaposition  Words that almost rhyme with selfdefmition
given  vision  listen  arisen  risen  riven  stiffen  decision  division  driven  prison  rhythm  incision  excision  forgiven  derision  schism  envision  striven  provision  precision  collision  revision  prism  pessimism  imprison  aphorism  holism  television  supervision  feminism  heroism  optimism  subdivision  terrorism  circumcision  cynicism  dualism  dynamism  egoism  indecision  nihilism  pacifism  paganism  anarchism  animism  chauvinism  euphemism  fetishism  heathenism  hedonism  mannerism  revisionism  shamanism  stoicism  criticism  mechanism  algorithm  organism  socialism  despotism  journalism  liberalism  mysticism  symbolism  activism  barbarism  determinism  embolism  federalism  formalism  humanism  modernism  radicalism  relativism  rheumatism  scepticism  unionism  dogmatism  egotism  eroticism  evangelism  fatalism  logarithm  separatism  aneurism  astigmatism  behaviorism  elitism  exorcism  hypnotism  lyricism  nepotism  ostracism  pauperism  plagiarism  recidivism  capitalism  communism  nationalism  antagonism  pluralism  skepticism  altruism  empiricism  fanaticism  feudalism  magnetism  naturalism  positivism  pragmatism  rationalism  catechism  classicism  consumerism  militarism  narcissism  paroxysm  paternalism  protectionism  regionalism  cataclysm  centralism  emotionalism  expansionism  factionalism  favoritism  isolationism  legalism  parasitism  populism  traditionalism  voluntarism  metabolism  imperialism  patriotism  alcoholism  materialism  parallelism  absolutism  anachronism  cannibalism  collectivism  hyperthyroidism  hypothyroidism  postmodernism  republicanism  secularism  agnosticism  antisemitism  commercialism  corporatism  functionalism  provincialism  scholasticism  sectarianism  sensationalism  colonialism  conservatism  individualism  professionalism  romanticism  authoritarianism  bilingualism  eclecticism  existentialism  mercantilism  monasticism  fundamentalism  industrialism  internationalism  utilitarianism  constitutionalism  egalitarianism  intellectualism  microorganism  sentimentalism  totalitarianism  cosmopolitanism  environmentalism  humanitarianism  smitten  women  written  million  hidden  kitchen  fiction  friction  chicken  linen  ribbon  ridden  bitten  diction  pigeon  villain  eviction  kitten  thicken  description  distinction  billion  piston  addiction  affliction  stricken  depiction  silken  unwritten  infliction  pinion  quicken  vermilion  sylvan  children  opinion  religion  conviction  civilian  dominion  extinction  inscription  prediction  crimson  encryption  kinsmen  pavilion  rewritten  christian  nonfiction  trillion  ascription  bouillon  overridden  jurisdiction  prescription  restriction  penicillin  subscription  benediction  crucifixion  dereliction  interdiction  midshipman  proscription  transcription  conscription  constriction  contradiction  contradistinction