Here's what rhymes with retrolenticular.
                        
                        
                    
                                lenticular  reticular  particular  articular  curricular  testicular  auricular  vehicular  perpendicular  overparticular  extracurricular  extravehicular  Words that almost rhyme with retrolenticular
tickler  titular  fibular  stickler  chiseler  cheerfuller  picketer  fickler  similar  singular  simpler  dilator  fiddler  thickener  littler  driveler  prisoner  visitor  dissimilar  inhibitor  listener  vinegar  estimator  perimeter  peninsular  limiter  parishioner  swindler  cricketer  minuter  missioner  stiffener  spinnaker  riveter  signaler  signaller  winsomer  minister  cylinder  signature  contributor  distributor  petitioner  conditioner  inquisitor  altimeter  exhibitor  dosimeter  administer  practitioner  commissioner  solicitor  conspirator  confiscator  vasodilator  calligrapher