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