| NO. | WORD | POS | EHOWNET |
| 1 | 無頭公案 | Nac | {affairs|事務:domain={police|警},qualification={difficult|難:theme={judge|裁定}}} |
| 2 | 無頭案 | Nac | {affairs|事務:domain={police|警},qualification={difficult|難:theme={judge|裁定}}} |
| 3 | 疑案 | Nac | {affairs|事務:domain={police|警},qualification={difficult|難:theme={judge|裁定}}} |
| 4 | 難說 | VK2 | {difficult|難:theme={judge|裁定}} |