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