Known as the "Tetragrammaton", the four Hebrew letters יהוה which are transliterated into the Latin alphabet as YHWH (or IHVH, JHVH, or YHVH). Usually vowels are added to produce the spelling Jehovah, Yehovah or Yahweh (Jahaveh, Jahve, Jahveh, Jahweh, Yahve, Yahveh, Yahwe).