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