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