Egises is a somewhat uncommon word referring to a shield or a protection. While it is not often used in everyday language, there are many synonyms that can be used in its place. Some of these synonyms include shield, safeguard, defense, screen, cover, barrier, and armor. Each of these words has its own specific connotations and usage, but all of them share the general meaning of providing protection or safety. Depending on the context in which the word is being used, one of these synonyms may be a better fit than egises. By having a variety of synonyms to choose from, writers can use language to create a specific meaning or feeling in their work.