The word "prongy" is an uncommon word that describes something that is forked or tined. Some synonyms for "prongy" include forked, tined, branched, bifurcated, divided, and split. These words describe objects or features that are divided into two or more parts, creating a distinct shape similar to a fork or prong. The synonyms for "prongy" may be used in various contexts, such as describing the branches of a tree, the tines of a fork, and the shape of a candelabra. Overall, these synonyms bring to mind the distinctive shape and function of a prong or fork.