| Ash |
| Dregs |
| Vestige |
| Leavings |
| Remains. |
| Sediment |
| Remainder |
| Leftovers |
| It's left |
| Soot, e.g. |
| What's left |
| Dregs, e.g. |
| Ashes, e.g. |
| Leftover dirt |
| Leftover stuff |
| Leftover trace |
| Cleanup target? |
| Leftover matter |
| What's left over |
| Ash, for example |
| Gunshot evidence |
| Soot or slag, say |
| Fireplace ash, e.g. |
| Distillation leftovers |
| Traces of gunpowder, e.g. |
| Ashes on the inside of a grill, e.g. |
| Trace evidence at a crime scene, e.g. |
| Traces of gunpowder at a crime scene, e.g. |