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