| Rating | Solver | Clue |
|---|---|---|
| SENSOR | Detector | |
| HEATSENSOR | Smoke detector | |
| NOSE | Smoke detector | |
| FIREALARM | Smoke detector | |
| GEIGERCOUNTER | Radiation detector | |
| SMOKEALARM | Fire detector | |
| POLYGRAPH | Lie detector | |
| MINESWEEPER | Explosive detector | |
| SMOKE ALARM | Fire detector (5,5) | |
| REAGENT | About spy detector? | |
| RADAR | Police speed detector | |
| DETECTER | One who, or that which, detects or brings to light; one who finds out what another attempts to conceal; a detector. | |