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