Hebrew alphabet written from right to left. It has 22 letters, five of which use different forms at the end of a word. In the traditional form, vowels are indicated by the weak consonants Aleph (), He (), Vav (), or Yodh () serving as vowel letters, or "matres lectionis": the letter is combined with a previous vowel and becomes silent, or by imitation of such cases in the spelling of other forms. Also, a system of vowel points to indicate vowels (diacritics), called niqqud, was developed. In modern forms of the alphabet, as in the case of Yiddish and to some
Phoenician alphabet Cyrillic script was derived from the Greek alphabet. Some Cyrillic letters (generally for sounds not in Mediaeval Greek) are based on Glagolitic forms, which in turn were influenced by the Hebrew or even Coptic alphabets. The Latin alphabet was derived from Old Italic (originally a form of the Greek alphabet), used for Etruscan and other languages. The origin of the Runic alphabet is disputed, and the main theories are that it evolved either from the Latin alphabet itself, some early Old Italic alphabet via the Alpine scripts or the Greek alphabet. Despite this debate, the Runic alphabet is clearly derived