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