Here's what rhymes with circumdatum.
datum stratum substratum Words that almost rhyme with circumdatum
batten madam satin madame fatten latin platen happen hadn cabin haben flatten macadam sadden madden imagine gladden tarmacadam tantum bantam platinum chasm fathom phantom spasm tandem plasm tantrum phantasm sachem talcum pablum handsome random maxim amalgam ransom magnum sanctum hansom transom neoplasm nonrandom gladsome sphagnum memorandum cytoplasm enthusiasm iconoclasm protoplasm