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