| Answer | Crossword Clue |
|---|---|
| plugged | Block or fill in (a hole or cavity) |
| plugging | Block or fill in (a hole or cavity) |
| stops | Block or close up (a hole or leak) |
| stopped | Block or close up (a hole or leak) |
| stopping | Block or close up (a hole or leak) |
| pits | a hole, shaft, or cavity in the ground |
