| surveillance(scrutiny, investigation, shadowing) |
| bug(noun, scrutiny, investigation, monitor, tap) |
| bugging(bug, scrutiny, investigation, monitor, tap) |
| care(noun, bug, scrutiny, investigation, monitor) |
| control(noun, bug, scrutiny, investigation, monitor) |
| direction(noun, bug, scrutiny, investigation, monitor) |
| eagle eye(expression, bug, scrutiny, investigation, monitor) |
| examination(noun, bug, scrutiny, investigation, monitor) |
| eye(noun, bug, scrutiny, investigation, monitor) |
| following(noun, bug, scrutiny, investigation, monitor) |
| inspection(noun, bug, scrutiny, investigation, monitor) |
| lookout(noun, bug, scrutiny, investigation, monitor) |
| peeled eye(expression, bug, scrutiny, investigation, monitor) |
| scrutiny(noun, bug, investigation, monitor, tap) |
| sentry |
| spying(noun, bug, scrutiny, investigation, monitor) |
| stakeout(noun, bug, scrutiny, investigation, monitor) |
| superintendence(noun, bug, scrutiny, investigation, monitor) |
| supervision(noun, bug, scrutiny, investigation, monitor) |
| surveyance(bug, scrutiny, investigation, monitor, tap) |