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