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