Isola is an Italian word that refers to an island. In English, there are several different synonyms for isola that can be used depending on the context. Some common synonyms include isle, islet, atoll, key, cay, and reef. Isle and islet both refer to small islands, with islet being the smaller of the two. An atoll is a ring-shaped coral reef that surrounds a central lagoon. A key and cay are both small islands that are typically flat and sandy. A reef is a ridge of rock or sand that is found in shallow water and can be a potential hazard for ships. These synonyms can be used interchangeably with isola depending on the specific island being referenced.