The crossword solution for the term 'Sheets, but not Pillowcases' is Ovenware, which is an 8-letter word. Ovenware refers to any type of cookware that can be used in an oven, such as baking dishes, roasting pans, and casserole dishes. These items are typically made from metal, ceramic, or glass, and are designed to withstand high temperatures. They are often used to bake or roast food, and can also be used to reheat leftovers.