The term 'Old Turkish Title of Respect' refers to two titles used in the Ottoman Empire, which was a large empire that existed from 1299 to 1923. The first title is 'Effendi' (7 letters), which is derived from the Arabic word 'Afaandi' and means 'MASTER' or 'LORD'. The second title is 'Agha' (4 letters), which is derived from the Persian word 'Agha' and means 'CHIEF' or 'LEADER'. Both titles were used to denote high-ranking officials in the Ottoman Empire.