Here's what rhymes with geomagnetically.
                        
                        
                    
                                magnetically  hermetically  theoretically  pathetically  parenthetically  apathetically  sympathetically  electromagnetically  unsympathetically  Words that almost rhyme with geomagnetically
metrically  sceptically  technically  majestically  skeptically  aseptically  electrically  diametrically  charitably  concentrically  eccentrically  veritably  ecumenically  indelicately  reticently  ineligibly  inextricably  residency  effeminacy  hesitancy  hesitantly  negligently  antiseptically  effeminately  egocentrically  intelligently  geocentrically  infinitesimally  photoelectrically  sacrilegiously  hydroelectrically