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