The term 'The Sultan of Swat' is a nickname given to the legendary baseball player BABE RUTH. RUTH was a four-letter word in the crossword, and his nickname 'BABE RUTH' was an eight-letter word. BABE RUTH was an American professional baseball player who played for the Boston Red Sox and the New York Yankees from 1914 to 1935. He was known for his hitting prowess and holds many records in the sport, including the most home runs in a single season. He was nicknamed 'The Sultan of Swat' due to his powerful batting style.