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