The Tetragrammaton or Tetragram is the four-letter Hebrew word יהוה, the name of the national god of Israel. The four letters, read from right to left, are yodh, he, waw, and he. While there is no consensus about the structure and etymology of the name, the form Yahweh is now accepted almost universally.
https://en.wikipedia.org/wiki/Tetragrammaton
What are the 7 names of God?The seven names of God that, once written, cannot be erased because of their holiness are the Tetragrammaton, El, Elohim, Eloah, Elohai, El Shaddai, and Tzevaot.
