Arabic language can claim a vocabulary more than 12 million words. Arabic Alphabet consists of 28 letters. Arabic is written from right to left in the cursive way. Arabic belongs to the Semitic language family which includes Aramaic and Hebrew, and it is the most common spoken Semitic language.Arabic grammar (Arabic: النَّحْوُ العَرَبِيُّ) is the grammar of the Arabic language. Arabic is a Semitic language and its grammar has many similarities with the grammar of other Semitic languages. Classical Arabic and Modern Standard Arabic have largely the same grammar; colloquial spoken varieties of Arabic can vary in different ways.