A ringing sound is a sound that is produced when a bell or other object is struck. The term 'a ringing sound' can be broken down into three crossword solutions: PEAL (4 letters), DING (4 letters), and BONG (4 letters). A PEAL is a series of bells rung in succession, usually to mark a special occasion. A DING is a short, sharp sound made by a bell or other object. A BONG is a deep, resonant sound made by a large bell or gong. All three words describe a ringing sound, and together they form the term 'a ringing sound'.