Here's what rhymes with aratism.
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addition edition prison rhythm arisen risen audition mizzen given tradition vision driven listen mission admission ambition petition politician attrition derision erudition fission magician logician riven stiffen position condition decision division opposition commission permission physician provision algorithm repetition suspicion collision emission partition prohibition revision submission forgiven omission remission tuition apparition sedition apposition imprison logarithm patrician rendition striven rhetorician dietitian glisten readmission rescission tactician competition television transition precision abolition ammunition coalition cognition exhibition incision inhibition intuition nutrition clinician excision ignition musician supposition fruition technician volition contrition dentition envision theoretician ebullition munition prevision definition composition recognition transmission acquisition expedition proposition supervision deposition superstition imposition subdivision admonition demolition mathematician preposition requisition extradition indecision intermission paroxysm precondition cataclysm electrician obstetrician premonition academician imprecision disposition exposition circumcision malnutrition transposition inquisition interposition presupposition redefinition superposition disquisition manumission pediatrician statistician decomposition diagnostician juxtaposition predisposition indisposition superimposition wisdom serum theorem dictum gypsum cecum gingham system kingdom victim pilgrim fearsome winsome symptom ecosystem