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