| Solution | Length | |
|---|---|---|
| 4 letters | ||
| sole | 4 | |
| atop | 4 | |
| 5 letters | ||
| under | 5 | |
| below | 5 | |
| 6 letters | ||
| secret | 6 | |
| hidden | 6 | |
| 7 letters | ||
| topknot | 7 | |
| 8 letters | ||
| windmill | 8 | |
| 9 letters | ||
| underside | 9 | |
| 10 letters | ||
| underbelly | 10 | |
| UNDERLAYER | 10 | |
| undercover | 10 | |
| SUBSTRATUM | 10 | |
| 11 letters | ||
| Rock bottom | 11 | |