There are several words that can be used as synonyms for the word "gong". These include "cymbal", "tam-tam", "bell", "chime", and "knell". Each of these words has various connotations and can be used to describe different types of similar musical instruments. A cymbal is typically made of brass and produces a sharp, ringing sound when struck. A tam-tam is a type of gong with a very deep and resonant sound, often used in orchestral music. A bell is a round metal instrument with a clapper inside, producing a sustained ringing sound. A chime is a smaller, often decorative bell used primarily for musical purposes. Lastly, a knell is a slow, mournful sounding bell usually associated with funerals or death.