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
Syriac alphabet addition to the sounds of the language, the letters of the Syriac alphabet can be used to represent numbers in a system similar to Hebrew and Greek numerals. Besides Syriac, the alphabet has been used to write other languages. When Arabic began to be the dominant spoken language in the Fertile Crescent after the Islamic conquest, texts were often written in Arabic with the Syriac script as knowledge of the Arabic alphabet was not yet widespread. Such writings are usually called "Karshuni" or "Garshuni" (). Garshuni is often used today in Neo-Aramaic writing, such as letters and fliers. Malayalam was