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