| Solution | Length | |
|---|---|---|
| 3 letters | ||
| cam | 3 | |
| 5 letters | ||
| WATCH | 5 | |
| 6 letters | ||
| regard | 6 | |
| passas | 6 | |
| 7 letters | ||
| wiretap | 7 | |
| tailing | 7 | |
| respect | 7 | |
| 8 letters | ||
| trailing | 8 | |
| stakeout | 8 | |
| 9 letters | ||
| espionage | 9 | |
| 10 letters | ||
| treasonous | 10 | |
| cigarettes | 10 | |
| 12 letters | ||
| surveillance | 12 | |
| 13 letters | ||
| secret police | 13 | |
| 14 letters | ||
| secret service | 14 | |
| 15 letters | ||
| miniaturecamera | 15 | |