| Similarity | Rank | |
|---|---|---|
| an_investigation_of | 0.851 | 41598 |
| investigation_into | 0.801 | 14738 |
| investigation_of | 0.723 | 6492 |
| inquiry_into | 0.690 | 32183 |
| an_investigation | 0.684 | 23537 |
| investigate | 0.669 | 1929 |
| be_investigate | 0.645 | 4898 |
| to_investigate | 0.624 | 4929 |
| investigation | 0.598 | 1818 |
| Investigation_of | 0.583 | 82787 |
| probe_into | 0.581 | 73447 |
| will_investigate | 0.579 | 43741 |
| an_examination_of | 0.569 | 21380 |
| an_investigation_by | 0.569 | 99721 |
| an_exploration_of | 0.563 | 25923 |
| further_investigation | 0.545 | 43649 |
| an_inquiry | 0.540 | 60357 |
| an_analysis_of | 0.540 | 10420 |
| Investigation | 0.528 | 27698 |
| inquire_into | 0.518 | 86566 |
| their_investigation | 0.514 | 52812 |
| raise_question_about | 0.511 | 38548 |
| our_investigation | 0.511 | 59266 |
| investigate_by | 0.509 | 77522 |
| research_into | 0.504 | 10335 |