The term "wild cavy" is often used to refer to the South American rodent species commonly known as the guinea pig. However, there are several different synonyms that can also be used to describe this animal. One alternative is "Cavia porcellus," which is the scientific name of the species. Other synonyms include "cavy," "domesticated cavy," "guinea pig," and "domesticated guinea pig." While these terms all refer to the same animal, they may be used in different contexts or by different groups of people. By knowing these different synonyms, you can expand your vocabulary and communicate more effectively about this fascinating creature.