Rez-de-chaussee is a French term that is often used to describe the ground floor or first floor of a building. However, in English, there are several different synonyms that can be used to describe this same level. Some of the most common alternatives include ground level, basement level, street level, and first floor. Depending on the specific context in which the term is being used, other synonyms such as lobby level, entry level, or garden level may also be appropriate. Regardless of the specific synonym used, it is important to choose a term that accurately describes the physical location being referenced.