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