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