| Similarity | Rank | |
|---|---|---|
| security_threat | 0.773 | 47415 |
| security_problem | 0.719 | 62807 |
| security_concern | 0.714 | 37021 |
| security_issue | 0.714 | 19872 |
| security_risk | 0.686 | 53682 |
| terrorist_threat | 0.660 | 56862 |
| economic_challenge | 0.629 | 92616 |
| new_threat | 0.620 | 92593 |
| regional_security | 0.611 | 76666 |
| security_need | 0.605 | 93102 |
| global_challenge | 0.603 | 41446 |
| maritime_security | 0.589 | 92892 |
| cyber_attack | 0.586 | 58720 |
| security_policy | 0.582 | 26340 |
| these_challenge | 0.574 | 16957 |
| cyber_security | 0.571 | 29800 |
| these_threat | 0.569 | 60706 |
| security | 0.567 | 651 |
| security_requirement | 0.567 | 74008 |
| terrorism | 0.565 | 3838 |
| global_security | 0.563 | 68977 |
| threat | 0.559 | 2294 |
| challenge_face | 0.559 | 32972 |
| cyber_crime | 0.558 | 97451 |
| international_terrorism | 0.557 | 77407 |