The term 'Allies Enemy' refers to the two sides of World War II, with the Allies being the United States, Great Britain, France, and the Soviet Union, and the AXIS being Germany, Italy, and Japan. The crossword solution for the term 'Allies Enemy' is 'AXIS, ' which is a four-letter word. The AXIS powers were the main opponents of the Allied powers during World War II, and their defeat marked the end of the war.