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