| Answer | Crossword Clue |
|---|---|
| SPY | Secretly watch, with "on" |
| TIPPYTOE | How a youngster might watch a parade, with "on" |
| vigil | a watch formerly kept on the night before a religious feast with prayer or other devotions |
| SPYON | Watch secretly |
| SPYON | Secretly watch |
| SPY | Watch secretly |
| SPYON | Watch secretly. |
| SPY | Keep watch secretly |
| spy | to watch secretly |
| spies | SPY, to watch secretly |
| spied | SPY, to watch secretly |
| spying | watch secretly as a spy |
| spying | to watch secretly usually for hostile purposes |
