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