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