Words that almost rhyme with plastrum

antrum angstrom atom platinum tantrum random annum album stratum datum phantom ransom alum anthem plasm tantum transom bantam handsome maxim chasm fathom madam tandem madame magnum sanctum hansom sachem gladsome talcum pablum amalgam spasm sphagnum substratum neoplasm macadam nonrandom memorandum cytoplasm phantasm tarmacadam protoplasm enthusiasm iconoclasm