Aesop Racer is a crossword puzzle that includes the solutions HARE (4 letters), ANT (3 letters), FABLE (5 letters), FABLES (6 letters), and SOUR (4 letters). The term Aesop Racer is derived from the ancient Greek storyteller Aesop, who is best known for his collection of FABLES featuring animals such as hares and ants. The term 'SOUR' refers to the moral lessons of Aesop's FABLES, which often have a negative or cautionary message.