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