Given that Jehovah is a Gnostic, Kabbalistic name, you will not find other texts, such as within Buddhism, Jainism, and Zoroastrianism, that specifically demonstrate how Jah-Chavah is the appropriate pronunciation and not Jahve. The Jews have intentionally misappropriated the sacred name of God, because many of them follow Javhe. However, if we actually study the scriptures, we will comprehend how Jah is the Father, Adam, man, represented by the brain, and "Chavah" is Eve, woman, the sexual organs.
Study the following the book
The Secret Teachings of Moses to understand this difference, because pronunciation goes a long way, as you find with Sylvester Stallone: