Here's what rhymes with archaiologicum.
                        
                        
                    
                                cecum  Words that almost rhyme with archaiologicum
chicken  thicken  sicken  stricken  quicken  dictum  besom  rhythm  serum  victim  theorem  prism  gypsum  gingham  lyceum  system  kingdom  wisdom  pilgrim  schism  fearsome  logarithm  aphorism  elitism  winsome  chrism  tropism  algorithm  symptom  optimism  terrorism  activism  altruism  barbarism  dualism  modernism  rheumatism  catechism  egoism  egotism  eroticism  anarchism  animism  holism  mannerism  pauperism  plagiarism  voluntarism  albinism  archaism  botulism  futurism  purism  sophism  criticism  organism  communism  socialism  heroism  journalism  liberalism  dynamism  embolism  feudalism  magnetism  naturalism  pessimism  pragmatism  radicalism  classicism  dogmatism  fatalism  militarism  nihilism  pacifism  paganism  aneurism  cataclysm  chauvinism  euphemism  fetishism  hedonism  legalism  lyricism  nepotism  ostracism  populism  stoicism  automatism  cretinism  favouritism  isomerism  racialism  solipsism  synergism  witticism  anabolism  bimetallism  monetarism  solecism  tokenism  mechanism  capitalism  metabolism  patriotism  alcoholism  conservatism  despotism  feminism  mysticism  pluralism  symbolism  cynicism  ecosystem  fanaticism  federalism  formalism  humanism  positivism  rationalism  relativism  romanticism  scepticism  unionism  absolutism  cannibalism  evangelism  narcissism  paroxysm  regionalism  separatism  corporatism  exorcism  favoritism  heathenism  hypnotism  parasitism  recidivism  shamanism  exoticism  gradualism  mesmerism  neutralism  proselytism  galvanism  invalidism  mongolism  specialism  nationalism  antagonism  colonialism  skepticism  determinism  empiricism  parallelism  anachronism  collectivism  consumerism  hyperthyroidism  hypothyroidism  paternalism  postmodernism  secularism  agnosticism  astigmatism  behaviorism  centralism  commercialism  eclecticism  isolationism  mercantilism  monasticism  revisionism  scholasticism  abolitionism  clericalism  ecumenism  negativism  parochialism  puritanism  revivalism  adventurism  agrarianism  charlatanism  creationism  dilettantism  hooliganism  neoclassicism  philistinism  triumphalism  unilateralism  imperialism  materialism  protectionism  republicanism  antisemitism  emotionalism  factionalism  microorganism  provincialism  sectarianism  expressionism  impressionism  perfectionism  sectionalism  syndicalism  colloquialism  minimalism  authoritarianism  bilingualism  industrialism  expansionism  functionalism  traditionalism  anticommunism  electromagnetism  exhibitionism  somnambulism  servomechanism  individualism  professionalism  fundamentalism  totalitarianism  utilitarianism  cosmopolitanism  egalitarianism  existentialism  intellectualism  interventionism  antiquarianism  neocolonialism  transsexualism  ventriloquism  internationalism  humanitarianism  sensationalism  sentimentalism  evangelicalism  transcendentalism  multilingualism  constitutionalism  environmentalism