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