Related Clues:

• Sole partner
• Real creep
• Foot back
• Darned spot, often
• Achilles’ soft spot
• Achilles' weakness
• Stiletto, for one
• Bread-loaf part
• Back of the foot
• Louse
• Command for Fido
• Obedience class command
• Obedience-school command
• Loaf's end
• Pump back