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