Carrion-eater is a term used to describe animals that feed on dead animals. However, there are various synonyms for this term. One of the synonyms is scavenger, which refers to animals that search for dead animals to feed on. Another term is vulture, which is a bird that feeds on the carcasses of dead animals and is known for its keen sense of smell. Other synonyms for carrion-eater include predator, carnivore, meat-eater, and opportunist. Overall, there are a variety of terms used to describe these animals, but they all share the common characteristic of feeding on dead animals in order to survive.