Ritornelle is a French word that refers to a repetitive or recurring musical passage, typically found in the chorus of a song or in instrumental music. There are several synonyms for this term, including refrain, coda, echo, repetition, and recurrence. These words all describe the same concept of a repeated musical passage that adds structure and rhythm to a piece of music. While ritornelle is a more specific term, these synonyms can be interchanged depending on the context or language used. Whether composing music or analyzing it, these words provide a deeper understanding of the musical elements involved in creating a memorable and catchy tune.