Cantat:
* Cantata: This is the most common English equivalent, referring to a musical composition, typically for solo voices and chorus, with instrumental accompaniment.
* Song: This is a broader term, but could work if the "cantat" is more of a standalone song.
* Musical work: This is a very general term that can encompass a wide variety of musical compositions.
* Composition: Another general term, but could work if you want to emphasize the artistic creation aspect.
Cantate:
* Sing: This is a verb that describes the action of singing.
* Chant: This is a more specific word for a type of singing that is often used in religious contexts.
Ultimately, the best English word for "cantat" depends on the specific context and what you want to emphasize.