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