Here's what rhymes with oraentum.
                        
                        
                    
                                phantom  tantum  bantam  Words that almost rhyme with oraentum
random  tandem  canton  abandon  plantain  memorandum  dampen  nonrandom  zooplankton  phytoplankton  handsome  datum  ransom  tantrum  hansom  maxim  amalgam  chasm  fathom  madam  madame  magnum  sanctum  sachem  transom  talcum  pablum  platinum  stratum  spasm  plasm  macadam  gladsome  sphagnum  phantasm  neoplasm  tarmacadam  cytoplasm  substratum  iconoclasm  enthusiasm  protoplasm