| investigate case | 56.68 | A third case is being investigated. | ||
| investigate allegation | 55.23 | Central Command is investigating the allegations. | ||
| investigate incident | 51.09 | Police are now investigating the incident. | ||
| investigate cause | 37.33 | The cause is being investigated. | ||
| investigate report | 33.90 | Would a report be investigated? | ||
| investigate complaint | 21.66 | Promptly investigate complaints. | ||
| investigate claim | 19.62 | Police are investigating the claims. | ||
| investigate death | 19.16 | Police are also investigating the death. | ||
| investigate accident | 18.24 | Police are investigating the accident. | ||
| investigate charge | 18.04 | The Army is investigating her charge. | ||
| investigate matter | 17.58 | Congress will investigate the matter. | ||
| investigate possibility | 17.38 | Authorities are investigating both possibilities. | ||
| investigate crash | 13.43 | The Navy investigated the crash. | ||
| investigate killing | 13.36 | Authorities investigate killings. | ||
| investigate crime | 11.32 | The crimes get investigated fully. | ||
| investigate attack | 10.27 | Police are investigating the attack. | ||
| investigate murder | 9.28 | I am investigating a murder. | ||
| investigate shooting | 9.15 | The shooting was being investigated. | ||
| investigate corruption | 8.03 | Judge may investigate government corruption. | ||
| investigate accusation | 6.78 | Police are investigating the accusations. |