Here's what rhymes with antiparliamentarism.
                        
                        
                    
                                prism  terrorism  dualism  modernism  schism  nihilism  aphorism  mannerism  nepotism  chrism  monetarism  sophism  tropism  mechanism  metabolism  antagonism  journalism  optimism  symbolism  barbarism  dynamism  embolism  fanaticism  naturalism  pessimism  romanticism  catechism  egoism  egotism  eroticism  fatalism  militarism  paganism  anarchism  animism  hedonism  holism  mercantilism  monasticism  pauperism  plagiarism  stoicism  voluntarism  albinism  archaism  mesmerism  neutralism  adventurism  futurism  mongolism  purism  tokenism  organism  communism  nationalism  socialism  despotism  feminism  heroism  liberalism  mysticism  pluralism  activism  altruism  cynicism  empiricism  federalism  feudalism  magnetism  rationalism  rheumatism  unionism  anachronism  cannibalism  consumerism  dogmatism  evangelism  pacifism  regionalism  separatism  aneurism  centralism  chauvinism  commercialism  elitism  euphemism  exorcism  fetishism  hypnotism  legalism  ostracism  populism  provincialism  shamanism  automatism  botulism  isomerism  racialism  synergism  witticism  anabolism  bimetallism  minimalism  solecism  specialism  criticism  capitalism  imperialism  patriotism  colonialism  conservatism  materialism  determinism  formalism  humanism  parallelism  positivism  pragmatism  radicalism  relativism  scepticism  absolutism  fundamentalism  narcissism  paternalism  agnosticism  astigmatism  behaviorism  corporatism  emotionalism  favoritism  functionalism  heathenism  lyricism  parasitism  recidivism  cretinism  favouritism  impressionism  interventionism  negativism  parochialism  puritanism  solipsism  syndicalism  alcoholism  skepticism  professionalism  classicism  collectivism  industrialism  postmodernism  protectionism  secularism  eclecticism  factionalism  isolationism  revisionism  scholasticism  sentimentalism  traditionalism  abolitionism  clericalism  ecumenism  exoticism  gradualism  perfectionism  proselytism  revivalism  sectionalism  somnambulism  transcendentalism  individualism  bilingualism  hyperthyroidism  hypothyroidism  internationalism  republicanism  totalitarianism  antisemitism  environmentalism  expansionism  intellectualism  sectarianism  sensationalism  anticommunism  evangelicalism  exhibitionism  expressionism  authoritarianism  utilitarianism  cosmopolitanism  egalitarianism  existentialism  humanitarianism  microorganism  constitutionalism  electromagnetism  Words that almost rhyme with antiparliamentarism
arisen  prison  rhythm  risen  derision  mizzen  given  position  addition  vision  driven  edition  listen  mission  permission  petition  apparition  fission  imprison  audition  riven  decision  division  opposition  tradition  commission  physician  provision  admission  algorithm  ambition  abolition  collision  emission  intuition  nutrition  partition  forgiven  imposition  omission  tuition  attrition  magician  apposition  contrition  intermission  logarithm  patrician  striven  rhetorician  stiffen  dietitian  glisten  tactician  condition  definition  competition  composition  television  transition  precision  repetition  supervision  suspicion  ammunition  coalition  cognition  deposition  incision  inhibition  politician  prohibition  revision  submission  excision  ignition  musician  remission  supposition  admonition  demolition  erudition  fruition  sedition  technician  volition  dentition  envision  indecision  paroxysm  cataclysm  logician  manumission  ebullition  imprecision  munition  prevision  rescission  transmission  acquisition  disposition  expedition  proposition  exhibition  exposition  superstition  clinician  subdivision  malnutrition  mathematician  preposition  inquisition  interposition  rendition  premonition  theoretician  academician  readmission  recognition  decomposition  circumcision  requisition  transposition  extradition  indisposition  precondition  presupposition  redefinition  superposition  disquisition  electrician  obstetrician  pediatrician  statistician  superimposition  juxtaposition  predisposition  diagnostician  wisdom  serum  theorem  cecum  gingham  system  kingdom  victim  dictum  gypsum  fearsome  winsome  symptom  pilgrim  ecosystem