Here's what rhymes with niiion.
Words that almost rhyme with niiion
villain serum theorem bouillon penicillin given women written million vision hidden kitchen listen mission billion arisen chicken linen risen ribbon ridden bitten fission pigeon kitten pinion riven thicken addition opinion driven edition prison ambition fiction emission incision piston revision omission remission derision diction magician rewritten silken unwritten envision quicken smitten trillion audition stiffen sylvan children position condition decision division religion commission permission physician admission friction petition precision civilian collision dominion intuition nutrition addiction crimson excision forgiven ignition musician stricken tuition apparition attrition fruition kinsmen pavilion sedition volition christian dentition eviction imprison rendition striven vermilion logician opposition tradition conviction provision transition suspicion abolition ammunition coalition cognition inhibition partition prediction submission affliction clinician imposition admonition demolition depiction encryption erudition technician apposition contrition indecision infliction intermission nonfiction patrician manumission midshipman overridden reptilian rhetorician theoretician unchristian underwritten definition competition composition television transmission acquisition repetition supervision deposition exhibition inscription politician prohibition restriction supposition benediction circumcision inquisition ascription interdiction premonition description distinction recognition disposition expedition proposition exposition extinction superstition subdivision conscription constriction malnutrition mathematician preposition requisition interposition precondition redefinition dereliction disquisition electrician pediatrician jurisdiction contradiction decomposition prescription subscription transcription crucifixion transposition extradition indisposition presupposition superposition obstetrician proscription statistician predisposition superimposition juxtaposition contradistinction