Here's what rhymes with portandum.
tandem random nonrandom memorandum Words that almost rhyme with portandum
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 gladsome sphagnum tarmacadam sanctum phantasm neoplasm cytoplasm protoplasm substratum enthusiasm iconoclasm