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