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