Related Clues:

• Not merely smart?
• Sleep preventer
• Word with heart or tooth
• Suffix for suffering body parts
• Need Bengay
• Feel the pain
• Dolor
• Nagging desire
• Yearn painfully
• Muscular distress
• Workout aftermath
• Need Advil, say
• Pain in the back
• Rubdown target
• It may cause one to scratch one's head