Chinchillidae is a family of rodents that includes chinchillas, viscachas, and their relatives. When searching for synonyms, the most obvious term is "rodents", but there are more specific options available. For example, the word "chinchie" can be used as a slang term for chinchillas. Another term to use is "lagomorphs", which includes rabbits and hares. Additionally, "hystricomorphs" can be used to describe a diverse group of rodents that have large internal cheek pouches, such as guinea pigs and capybaras. No matter the chosen synonym, it's important to remember that the Chinchillidae family is unique and fascinating, with animals that are beloved as pets and appreciated for their ecological roles.