There are several synonyms for the term "written musics" that can be used interchangeably depending on the context. One common synonym is "sheet music," which refers to printed or written music that musicians read to play a specific piece. Another synonym is "scores," which can be used to refer to either written music or the results of a musical performance. "Notation" is another term that can be used to describe the method of writing music down in a form that musicians can read. Finally, "manuscript" refers to the handwritten or typed music written by a composer or arranger before it is printed or copied for distribution.