Here's what rhymes with postcommission.
commission mission addition condition edition permission admission ambition cognition emission omission fission audition position definition tradition physician transition petition coalition submission clinician ignition remission admonition attrition magician technician contrition opposition recognition transmission acquisition disposition suspicion abolition ammunition deposition exhibition intuition nutrition partition politician prohibition musician supposition tuition apparition demolition erudition fruition sedition volition apposition dentition intermission patrician precondition rendition logician premonition theoretician competition composition expedition proposition repetition decomposition exposition inhibition superstition imposition preposition requisition extradition inquisition redefinition disquisition manumission rhetorician statistician juxtaposition mathematician transposition indisposition presupposition superposition electrician obstetrician pediatrician superimposition malnutrition predisposition interposition Words that almost rhyme with postcommission
given vision listen arisen collision risen riven driven prison provision rhythm incision forgiven circumcision derision envision paganism stiffen decision division mechanism television organism precision supervision revision excision optimism prism dualism dynamism pessimism schism egotism imprison striven animism chauvinism hedonism ostracism shamanism stoicism communism socialism antagonism despotism feminism journalism subdivision terrorism federalism humanism modernism catechism dogmatism egoism fatalism indecision nihilism postmodernism separatism anarchism aphorism euphemism exorcism heathenism holism hypnotism legalism mannerism pauperism algorithm heroism liberalism pluralism symbolism activism barbarism cynicism determinism embolism feudalism formalism magnetism naturalism pragmatism radicalism rheumatism scepticism unionism anachronism consumerism eroticism logarithm pacifism paroxysm protectionism secularism aneurism astigmatism cataclysm centralism commercialism corporatism elitism factionalism favoritism fetishism nepotism plagiarism populism revisionism voluntarism criticism capitalism metabolism nationalism patriotism alcoholism colonialism conservatism mysticism skepticism altruism empiricism fanaticism parallelism positivism rationalism absolutism cannibalism classicism evangelism militarism narcissism paternalism regionalism behaviorism emotionalism expansionism functionalism isolationism lyricism parasitism sectarianism imperialism individualism materialism professionalism relativism romanticism bilingualism collectivism industrialism republicanism agnosticism eclecticism mercantilism microorganism monasticism provincialism recidivism traditionalism authoritarianism hyperthyroidism hypothyroidism totalitarianism antisemitism scholasticism sensationalism fundamentalism internationalism utilitarianism cosmopolitanism egalitarianism existentialism intellectualism sentimentalism constitutionalism humanitarianism environmentalism women written million conviction hidden kitchen fiction chicken linen addiction ribbon ridden bitten diction pigeon unwritten villain kitten smitten thicken opinion billion friction dominion piston affliction silken eviction nonfiction pinion quicken vermilion sylvan children religion civilian prediction crimson penicillin stricken benediction conscription constriction depiction encryption kinsmen pavilion rewritten christian infliction trillion ascription bouillon dereliction overridden unchristian underwritten description distinction jurisdiction extinction inscription prescription subscription transcription interdiction contradiction restriction crucifixion contradistinction