Analysis of information sources in references of the Wikipedia article "God in Christianity" in English language version.
…pronouncing the God of Israel's proper name," known as the holy or divine tetragrammaton, written with four consonants, YHWH, in the Hebrew alphabet. In order to vocalize it, it is necessary to introduce vowels that alter the written and spoken forms of the name (i.e. "Yahweh" or "Jehovah").