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