Orange peel is the outer layer of the orange that is often used in cooking for its distinctive flavor and aroma. However, there are several other words that can be used as synonyms for orange peel. Some popular alternatives include zest, rind, or peel of a citrus fruit. These words can all be used interchangeably to describe the outer layer of an orange or other citrus fruit. Additionally, some people may refer to this part of the fruit as the skin or outer layer. No matter which word is used, orange peel is a popular ingredient in many dishes and can add a unique taste to a variety of recipes.