Hejazi Arabic
Hejazi Arabic or Hijazi Arabic ( '), also known as West Arabian Arabic, is a variety of Arabic spoken in the Hejaz region in Saudi Arabia. Strictly speaking, there are two main groups of dialects spoken in the Hejaz region, one by the urban population, originally spoken in the major cities of Jeddah, Mecca and Medina, and another by the Bedouin or rural populations. However, the term most often applies to the urban variety which is discussed in this article.
Old South Arabian
Old South Arabian comprised a number of languages; the following are those that have been preserved in writing (the dates follow the so-called 'Long Chronology'. Besides these, at least Jabal Razih survives today.Old South Arabian was written in the Old South Arabian script, a consonantal abjad deriving from the Phoenician alphabet. Compared with other parts of the ancient world, Palestine for instance, the number of surviving inscriptions is very high. Something in the region of 10,000 inscriptions exist. The Sabaean lexicon contains about 2,500 words.The inscriptions on stone display a very formal and precise wording and expression, whereas the style of the wooden inscriptions written in the cursive script is much more informal.