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