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