Here's what rhymes with phototechnical.
                        
                        
                    
                                technical  pyrotechnical  nontechnical  Words that almost rhyme with phototechnical
lexical  testicle  identical  poetical  helical  metrical  vesicle  vesical  electrical  spherical  dialectical  heretical  biomedical  unethical  obstetrical  angelical  theoretical  geometrical  hysterical  symmetrical  indelible  academical  diametrical  hermetical  evangelical  alphabetical  asymmetrical  antithetical  ecumenical  exegetical  nonsensical  parenthetical  petrochemical  nonidentical  extendible  arithmetical  imperceptible  hemispherical  unsymmetrical  nonelectrical  infinitesimal  electrochemical  trigonometrical  incomprehensible