Related Clues:

• "__ Makes the World Go 'Round"
• Builder's target?
• Nil to Navratilova
• Common sign-off
• Serenade
• Sphere of Venus
• Troubadour topic
• No score
• Kind of nest or knot
• Topic of many songs
• Main squeeze
• It is 'resistless in battle,' wrote Sophocles
• Zero, at Wimbledon
• Shampoo's promise
• Zero, to Venus