Thunderpeal is a word that is commonly used to describe the loud, booming sound of thunder. However, there are several synonyms that can be used to describe this natural phenomenon. Some common synonyms include thunderclap, thunderbolt, thundering, rumble, roar, boom, clap, crack, and crash. Each of these words can be used to convey the same sense of power and intensity that is associated with thunderpeals. Whether used in literature or in casual conversation, these synonyms provide a diverse range of options for describing the awesome power of nature's thunderstorms.