| Similarity | Rank | |
|---|---|---|
| terrorist_attack | 0.788 | 15398 |
| after_9_/_[number] | 0.753 | 41674 |
| 9_/_[number] | 0.751 | 7060 |
| Osama_bin_Laden | 0.723 | 29989 |
| on_9_/_[number] | 0.717 | 46096 |
| terror_attack | 0.705 | 43895 |
| the_World_Trade_Center | 0.704 | 43422 |
| since_9_/_[number] | 0.703 | 64126 |
| the_invasion_of_Iraq | 0.696 | 59891 |
| post-9_/_[number] | 0.690 | 87391 |
| Bin_Laden | 0.689 | 39834 |
| bin_Laden | 0.689 | 33593 |
| Osama_Bin_Laden | 0.671 | 80508 |
| Al_Qaeda | 0.664 | 20556 |
| al-Qaeda | 0.660 | 20896 |
| al_Qaeda | 0.657 | 26461 |
| the_war_on_terror | 0.657 | 47377 |
| a_terrorist_attack | 0.654 | 62650 |
| al-Qaida | 0.650 | 53789 |
| bombing | 0.645 | 10151 |
| the_Iraq_war | 0.640 | 36456 |
| terrorist_act | 0.634 | 64779 |
| the_war_in_Iraq | 0.629 | 31207 |
| Al-Qaeda | 0.619 | 34126 |
| the_Iraq_War | 0.619 | 49782 |