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