Words that almost rhyme with optimimum

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optimism rhythm serum theorem cecum besom lyceum system kingdom wisdom organism victim symptom prism dictum dualism dynamism gypsum modernism pessimism schism fearsome paganism animism hedonism pauperism albinism winsome chrism sophism tokenism tropism mechanism algorithm capitalism communism despotism journalism terrorism activism altruism barbarism determinism naturalism pilgrim catechism egoism egotism fatalism nihilism anarchism aphorism chauvinism euphemism holism mannerism nepotism ostracism plagiarism populism shamanism stoicism archaism automatism botulism isomerism purism metabolism patriotism socialism antagonism feminism heroism liberalism pluralism symbolism cynicism embolism federalism feudalism formalism humanism magnetism radicalism rheumatism scepticism unionism absolutism anachronism cannibalism dogmatism eroticism evangelism logarithm pacifism paroxysm paternalism regionalism separatism aneurism cataclysm corporatism elitism exorcism fetishism heathenism hypnotism legalism abolitionism cretinism mesmerism neutralism puritanism racialism synergism witticism anabolism bimetallism charlatanism dilettantism futurism galvanism monetarism mongolism solecism specialism criticism nationalism alcoholism mysticism skepticism ecosystem empiricism fanaticism parallelism positivism pragmatism rationalism romanticism consumerism militarism narcissism postmodernism protectionism centralism commercialism factionalism favoritism lyricism mercantilism monasticism parasitism revisionism voluntarism ecumenism favouritism gradualism impressionism parochialism perfectionism solipsism adventurism creationism hooliganism minimalism philistinism triumphalism imperialism colonialism conservatism materialism relativism classicism republicanism secularism agnosticism antisemitism astigmatism behaviorism eclecticism emotionalism expansionism functionalism isolationism provincialism recidivism scholasticism sectarianism traditionalism anticommunism exhibitionism exoticism expressionism interventionism negativism proselytism revivalism sectionalism syndicalism agrarianism invalidism servomechanism individualism professionalism authoritarianism bilingualism collectivism fundamentalism hyperthyroidism hypothyroidism industrialism cosmopolitanism egalitarianism microorganism clericalism somnambulism antiquarianism unilateralism internationalism totalitarianism utilitarianism constitutionalism existentialism intellectualism sensationalism sentimentalism colloquialism neoclassicism transsexualism ventriloquism humanitarianism evangelicalism transcendentalism multilingualism neocolonialism environmentalism electromagnetism