| Solution | Length | |
|---|---|---|
| 3 letters | ||
| eve | 3 | |
| 4 letters | ||
| tout | 4 | |
| wake | 4 | |
| 5 letters | ||
| alert | 5 | |
| awake | 5 | |
| aware | 5 | |
| WATCH | 5 | |
| 7 letters | ||
| onalert | 7 | |
| onguard | 7 | |
| 8 letters | ||
| ON GUARD | 8 | |
| WATCHFUL | 8 | |
| prudence | 8 | |
| vigorous | 8 | |
| 9 letters | ||
| sharp-eye | 9 | |
| sentience | 9 | |
| vigilance | 9 | |
| 10 letters | ||
| NIGHTWATCH | 10 | |
| 11 letters | ||
| ononesguard | 11 | |
| WEATHER EYE | 11 | |
| STEWARDSHIP | 11 | |
| 12 letters | ||
| watchful-eye | 12 | |
| surveillance | 12 | |
| RESTLESSNESS | 12 | |
| 13 letters | ||
| SLEEPLESSNESS | 13 | |