The term 'Guanaco Relative' refers to four animals that are closely related to the guanaco, which is a wild South American camelid. These animals are the ALPACA (6 letters), LLAMA (5 letters), CAMEL (5 letters), and vicuña (6 letters). All of these animals are members of the Camelidae family and share many physical characteristics, such as long necks and short tails. They also have similar diets, consisting mainly of grasses and other vegetation.