Related Clues:

• X, in old Rome
• X, to Greeks
• Greek ''X''
• The Bears, on scoreboards
• Existential life force
• Vital life force, in acupuncture
• Torque symbol
• Greek ''T''
• Third-to-last Greek letter
• N.L. and A.L. city
• ___-town (the Windy City)
• 19th letter of the Greek alphabet
• X, to Hippocrates
• Tai __
• Ill. metropolis