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