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