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