| Answer | Crossword Clue |
|---|---|
| ashiness | the powdery residue of burned matter |
| ash | the powdery residue of burned matter |
| ashes | the powdery residue of burned matter |
| clinker | The stony residue from burned coal or from a furnace |
| clinkers | The stony residue from burned coal or from a furnace |
| charcoals | A porous black solid, consisting of an amorphous form of carbon, obtained as a residue when wood, bone, or other organic matter is heated in the absence of air |
| charcoal | A porous black solid, consisting of an amorphous form of carbon, obtained as a residue when wood, bone, or other organic matter is heated in the absence of air |
