Related Clues:

• Double curve forming an ''S''
• Feminine ending
• Snaky line
• Gothic arch
• Leopard, e.g.
• Capital of Spain?
• Grimalkin
• Capital of Switzerland?
• The first of September?
• Friskies eater
• Part of RSVP
• Architectural scroll
• Part of a figure eight
• Coveted Scrabble tile
• Superman's logo