Silver paper is a type of paper that has a thin layer of aluminum FOIL on one side. It is commonly used for wrapping food, as it helps to keep the food fresh and prevents it from drying out. The two crossword solutions for the term silver paper are FOIL, which is a four-letter word, and TINFOIL, which is a seven-letter word. Both words refer to the thin layer of aluminum FOIL that is found on silver paper.