The term CHIEF HUN refers to ATTILA, a 6-letter word. ATTILA was a ruler of the Huns, a nomadic people who lived in Central and Eastern Europe in the 5th century. He is often referred to as the 'Scourge of God' for his brutal campaigns against the Roman Empire and other European nations. ATTILA was a powerful leader who united the Huns and led them to great success in battle. He is remembered as one of the most influential figures in European history.