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