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