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