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