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