| Rating | Solver | Clue |
|---|---|---|
| PROBE | Investigate | |
| PROVE | Investigate | |
| RESEARCH | Investigate | |
| RECONNOITRE | Investigate | |
| EXPLORE | Investigate | |
| VESTIGATE | To investigate. | |
| EVESTIGATE | To investigate. | |
| INVESTIGATED | Of Investigate | |
| INVESTIGATING | Of Investigate | |
| CHECK | Investigate auditor’s cheque | |
| PERVESTIGATE | To investigate thoroughly. | |
| REINVESTIGATE | To investigate again. | |
| EXAMINE | Investigate egg/salmon in report | |
| ANALYSE | Investigate reports Anna lies | |
| GATEAU | Investigate Australian ingredients for cake | |
| CHECKPOINT | Charlie in Berlin to investigate Mark | |
| EXCUSS | To inspect; to investigate; to decipher. | |
| ENDOSCOPE | Medical instrument used to investigate the stomach | |
| GENEALOGIZE | To investigate, or relate the history of, descents. | |
| CORONER | Officer sanctioned to investigate any death where causes aren't evident | |
| INSEARCH | To make search after; to investigate or examine; to ensearch. | |
| INQUIRING | Given to inquiry; disposed to investigate causes; curious; as, an inquiring mind. | |
| REQUISITOR | One who makes reqisition; esp., one authorized by a requisition to investigate facts. | |
| INDICATE | To investigate the condition or power of, as of steam engine, by means of an indicator. | |
| GEOMETRIZE | To investigate or apprehend geometrical quantities or laws; to make geometrical constructions; to proceed in accordance with the principles of geometry. | |