The word "poundinged" is not a proper English word. To accurately provide synonyms, we must first understand the intended meaning. If the intended meaning is to convey a sense of forceful and repeated hitting or striking, possible synonyms include thumped, hammered, pounded, struck, and smacked. If the intended meaning is to convey a sense of the heart beating rapidly and heavily, possible synonyms include throbbed, pulsated, palpitated, raced, and thudded. It is important to use the appropriate synonym based on the intended context to effectively communicate the desired message.