Minor diapason is a musical term that refers to a certain range of notes that are commonly used in creating melodies. However, there are many different ways to describe this range of notes. Some synonyms for minor diapason include minor scale, diminished scale, and phrygian scale. Each of these terms refers to a specific set of notes that can be used to create a variety of musical styles and genres. Some other related terms might include minor key, minor chord, and minor third, all of which are commonly used in music theory and composition. Ultimately, the choice of which term to use will depend on the specific context and style of music being created.