Here's what rhymes with iassion.
fasten assassin unfasten refasten diapason Words that almost rhyme with iassion
fashion passion ration lation tation chasm fathom spasm plasm refashion compassion dispassion neoplasm phantasm enthusiasm cytoplasm protoplasm iconoclasm happen hadn barren cabin cannon canon famine wagon gallon salmon baron satin bastion haben fatten latin taxon waxen batten chanson mammon sadden talon gammon madden damson gasman reaction imagine captain faction chaplain dragon mansion canyon canton caption falcon saffron blacken bracken dampen flatten hangman jasmine madmen slacken banyan capstan flagon flaxen gladden platen batsman klaxon badman badmen raglan taxman taxmen abandon fraction grandson sanction traction inaction stallion plantain adaption handgun scansion clansman scallion trashcan flashgun sandmen attraction battalion craftsman retraction plankton draftsman draughtsman exaction impaction medallion redaction reexamine clansmen draftsmen landsman gravamen triathlon bandsman gyrfalcon expansion interaction companion diffraction refraction compaction prolactin infraction zooplankton detraction overreaction pentathlon upperclassman transaction abstraction contraction extraction distraction subtraction rarefaction benefaction contraption counteraction stupefaction protraction rapscallion underclassman malefaction satisfaction liquefaction phytoplankton petrifaction vitrifaction putrefaction dissatisfaction