Here's what rhymes with immeterial.
                        
                        
                    
                                material  imperial  serial  cereal  immaterial  arterial  ethereal  bacterial  managerial  venereal  funereal  antibacterial  Words that almost rhyme with immeterial
filial  tibial  trivial  lineal  physiol  vitriol  finial  laryngeal  nontrivial  vestigial  pharyngeal  convivial  matrilineal  patrilineal  participial  nasopharyngeal