Here's what rhymes with zodiacum.
sachem Words that almost rhyme with zodiacum
blacken bracken wagon dragon slacken flagon maxim chasm datum fathom madam madame plasm talcum handsome random platinum stratum phantom ransom spasm tandem magnum sanctum tantum hansom transom bantam pablum amalgam tantrum macadam phantasm gladsome sphagnum enthusiasm cytoplasm substratum neoplasm memorandum protoplasm nonrandom tarmacadam iconoclasm