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