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