Pans' is a general term for a variety of cookware used for baking, frying, and boiling. The four letter word 'RAPS' is an acronym for 'Rapid Air Pressure System, ' which is a type of pan used to cook food quickly. The four letter word 'TINS' refers to metal containers used for storing food. The five letter word 'SIFTS' is a verb meaning to pass through a sieve or filter. The eight letter word 'SKILLETS' is a type of pan with a long handle and shallow sides, used for frying food. The 21 letter word 'TINSAUCESAMTAIANDCAKE' is an anagram for 'stainless steel pan, ' which is a type of pan made from stainless steel, often used for baking cakes.