| Rating | Solver | Clue |
|---|---|---|
| CLANDESTINELY | Secretly | |
| INWARDLY | Secretly | |
| SECRELY | Secretly. | |
| CACHEING | Storing secretly | |
| HOARDING | Storing secretly | |
| SPY | Secretly watch | |
| HOARDS | Stores secretly | |
| SPYON | Secretly watch | |
| HOARDED | Stored secretly | |
| SPIED | Watched secretly | |
| HARBOUR | Keep secretly | |
| INTRIGUES | Plots secretly | |
| EAVESDROP | Listen secretly | |
| STAKEOUT | Secretly watch | |
| SHADOW | Follow secretly | |
| SMUGGLES | Imports secretly | |
| OVERHEARING | Listening secretly | |
| SHADOWS | Follows secretly | |
| UNDERCOVER | Investigating secretly | |
| CLOSE | Secretly; darkly. | |
| CLOSELY | Secretly; privately. | |
| CLANCULARLY | Privately; secretly. | |
| CRYPTICALLY | Secretly; occultly. | |
| TRAILS | Secretly follows tracks | |
| BUG | Secretly record gremlin | |