Carpincho, also known as capybara, is a large rodent that has a variety of synonyms in the English language. Some of the synonyms include water hog, chiguiro, and river pig. Other terms that have been used to refer to this unique animal include water rabbit, giant rat, and paca. Capybara is a common synonym used in scientific contexts. The term capybara actually comes from the Guaraní language, which is indigenous to South America. Overall, the term carpincho is used predominantly in Spanish-speaking South American countries while capybara is more commonly used in English-speaking regions. Whatever the name, this fascinating animal is both unique and intriguing to many.