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