Molluscivore is a term that refers to an animal that feeds on mollusks. However, there are various synonyms for this word that can be used in different contexts. Some of the most commonly used synonyms for molluscivore include shellfish eater, bivalve eater, and gastropod feeder. Other synonyms that have a more specific use include oyster eater, clam eater, and snail eater. Additionally, some animals that are known to be molluscivores may be referred to by their species name, like the cone snail or whelk. Overall, there are many synonyms for molluscivore that can be used to describe different types of animals that consume mollusks as a primary food source.