Polyphonism refers to the musical technique of using multiple melodies at the same time. Synonyms for polyphonism include counterpoint, polyphony, and contrapuntal texture. Counterpoint refers to the interaction of melodies, while polyphony is the simultaneous use of multiple voices or instruments. Contrapuntal texture is a term that describes the interweaving of multiple independent voices. All of these terms describe the same musical technique, with slightly different nuances. Polyphonism is commonly used in classical music compositions and can create intricate and complex harmonies that require precision and skill from the musicians performing the piece.