Words that almost rhyme with occasum

chasm assassin fasten fathom fashion passion ration spasm lation plasm tation unfasten refasten phantasm diapason refashion compassion neoplasm cytoplasm iconoclasm dispassion enthusiasm protoplasm

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