General synonyms:
* Tune: This is a very common synonym for "melody," and it's often used in informal contexts.
* Air: This word is more formal than "tune," and it's often used to describe a simple, catchy melody.
* Strain: This word suggests a particular musical phrase or section of a melody.
* Theme: This word implies that the melody is the main musical idea of a piece.
* Motif: This word is similar to "theme," but it refers to a shorter, recurring musical idea.
More specific synonyms:
* Cantus: This is a Latin word for "melody," and it's often used in the context of choral music.
* Leitmotif: This German word refers to a short, recurring melody that is associated with a particular character or idea in a piece of music.
* Refrain: This word describes a recurring melody in a song, often at the end of a verse.
* Riff: This word refers to a short, repeated musical phrase, often played on an instrument like a guitar.
Ultimately, the best synonym for "melody" will depend on the specific context in which you're using it.