Here's what rhymes with polysplenia.
                        
                        
                    
                                biennia  millennia  proscenia  quadrennia  Words that almost rhyme with polysplenia
leukaemia  ischemia  thalassemia  toxemia  tularemia  hyperkalemia  hypokalemia  hypoxemia  hyponatremia  dementia  malaria  vivaria  hysteria  dyslexia  aquaria  camellia  honoraria  poinsettia  anorexia  compendia  sanitaria  planetaria  intelligentsia  bulimarexia