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