| Solution | Length | |
|---|---|---|
| 4 letters | ||
| leak | 4 | |
| veil | 4 | |
| 5 letters | ||
| wraps | 5 | |
| 6 letters | ||
| recess | 6 | |
| enigma | 6 | |
| omerta | 6 | |
| 7 letters | ||
| recycle | 7 | |
| retreat | 7 | |
| privacy | 7 | |
| stealth | 7 | |
| 8 letters | ||
| openness | 8 | |
| 9 letters | ||
| secretion | 9 | |
| 10 letters | ||
| withdrawal | 10 | |
| COVERTNESS | 10 | |
| separation | 10 | |
| quarantine | 10 | |
| subterfuge | 10 | |
| retirement | 10 | |
| 11 letters | ||
| taciturnity | 11 | |
| FURTIVENESS | 11 | |
| SEGREGATION | 11 | |
| 12 letters | ||
| HUGGERMUGGER | 12 | |
| 15 letters | ||
| confidentiality | 15 | |
| 16 letters | ||
| manhattanproject | 16 | |