Arabic is one of six languages mandated by the United Nations and is the second-most difficult language for English-speakers to learn. ‘Thaa2 (ث)’ is the fourth letter of the Arabic alphabet and has the same sound as 'Th' in English. ‘Noon (ن)’ is the twenty-fifth letter and sounds similar to the English ‘N’. Continue your journey to fluency in Arabic by investigating and mastering the use of these two important letters.