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