Here's what rhymes with extraalimentary.
                        
                        
                    
                                alimentary  parliamentary  documentary  rudimentary  supplementary  complimentary  sedimentary  testamentary  uncomplimentary  Words that almost rhyme with extraalimentary
century  penitentiary  plenipotentiary  memory  sensory  rectory  directory  trajectory  westerly  celery  plenary  reverie  beggary  feathery  leathery  refectory  lechery  peppery  treasury  accessory  treachery  jeopardy  lethargy  tenderly  peremptory  extrasensory  cleverly  dispensary  northwesterly  exemplary  southwesterly  intercessory