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