Librettos, also known as opera or musical scores, can be described using a variety of synonyms. One such synonym is the word libretti, which is the plural form of the Italian word libretto. Another synonym for librettos is musical librettos, which specifically relates to the literary texts used in operas and musicals. Other synonyms that can be used for librettos include songbooks, vocal scores, and stageplays. These terms all refer to written material that provides the framework for musical performances, allowing singers and musicians to bring the written script to life through sound and movement.