Here's what rhymes with adsum.
gladsome Words that almost rhyme with adsum
caption adaption contraption atom handsome annum album maxim madam ransom alum madame hansom random chasm datum fathom phantom tandem anthem magnum antrum tantum sachem transom bantam talcum angstrom amalgam spasm plasm sanctum tantrum macadam sphagnum pablum platinum stratum memorandum nonrandom phantasm neoplasm tarmacadam enthusiasm cytoplasm substratum protoplasm iconoclasm