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