Possible Clues:

• "Thou shalt not covet" Commandment
• Decimal part?
• Like kappa or Capricorn
• Like J, in the alphabet
• Like neon, among periodic table elements
• Ordinal
• Fraction; last in the hit parade?
• Final frame in an alley
• 30, to 300
• Like John Tyler, among all U.S. presidents