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