Here's what rhymes with polysyllabical.
Words that almost rhyme with polysyllabical
magical tragical fanatical sabbatical mathematical systematical pragmatical problematical classical graphical irascible fascicle tactical tyrannical mannitol satanical mechanical geographical theatrical botanical dynamical fanciful neoclassical capitol biographical bibliographical topographical fantastical monastical ecclesiastical historiographical puritanical typographical lexicographical expansible autobiographical biomechanical contractible nontheatrical electromechanical