chasm spasm plasm phantasm neoplasm enthusiasm cytoplasm iconoclasm protoplasm

Words that almost rhyme with casm

fathom ashen fashion passion ration fasten lation tation assassin compassion refashion unfasten refasten diapason dispassion

atom annum alum album datum madam anthem madame sachem handsome random maxim phantom ransom tandem magnum antrum tantum hansom macadam bantam gladsome talcum pablum platinum stratum amalgam sanctum tantrum transom sphagnum angstrom memorandum nonrandom tarmacadam substratum