Here's what rhymes with endocardial.
                        
                        
                    
                                myocardial  pericardial  primordial  Words that almost rhyme with endocardial
boreal  pictorial  tutorial  editorial  memorial  corporeal  immemorial  mitochondrial  factorial  arboreal  categorial  manorial  directorial  purgatorial  tonsorial  territorial  bronchial  equatorial  dictatorial  senatorial  professorial  sartorial  janitorial  reportorial  seigniorial  piscatorial  advertorial  incorporeal  ambassadorial  curatorial  sportspeople  lavatorial  gubernatorial  combinatorial  multifactorial  gladiatorial  conspiratorial  inquisitorial  proprietorial  extraterritorial