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