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