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