* Sortie: This is the most common and general translation of "release," meaning the act of being released or the moment of release.
* Libération: This word specifically refers to the act of being freed or liberated.
* Publication: This word is used when talking about the release of something like a book or film.
* Sortie: This word can also be used for the release of a product or service.
The specific word you should use depends on the situation.