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