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