Related Clues:

• Certain flake
• Mary Kay's last name
• A certain tray may hold it
• Bit of air pollution
• It comes from your butt?
• Result of a burning passion?
• Hard lumber
• Result of friction
• Burning remnant
• Tree before or after a fire
• Race prelim
• Burnt log leftover
• Summer oppressor
• Ember, in the end
• Powdery residue