Related Clues:

• Contemptible sort
• Fishing bait, perhaps
• Sole partner
• Foot back
• Darned spot, often
• Achilles’ soft spot
• Draw (out) craftily
• Achilles' weakness
• Stiletto, for one
• Bread-loaf part
• Back of the foot
• Louse
• Command for Fido
• Obedience class command
• Virus kin