| Similarity | Rank | |
|---|---|---|
| terrorist | 0.641 | 3306 |
| Flight_[number] | 0.606 | 91039 |
| hijack | 0.605 | 15583 |
| bomber | 0.595 | 20147 |
| Bin_Laden | 0.579 | 39834 |
| airliner | 0.572 | 74382 |
| suicide_bomber | 0.567 | 41526 |
| the_9_/_[number]_attack | 0.565 | 41728 |
| kidnapper | 0.562 | 59254 |
| bin_Laden | 0.562 | 33593 |
| gunman | 0.558 | 25022 |
| FBI_agent | 0.558 | 61427 |
| by_the_FBI | 0.556 | 88290 |
| Osama_bin_Laden | 0.550 | 29989 |
| Al_Qaeda | 0.542 | 20556 |
| the_FBI | 0.541 | 8429 |
| al-Qaida | 0.536 | 53789 |
| Al-Qaeda | 0.535 | 34126 |
| al-Qaeda | 0.534 | 20896 |
| al_Qaeda | 0.534 | 26461 |
| bombing | 0.533 | 10151 |
| Osama_Bin_Laden | 0.531 | 80508 |
| the_FBI_have | 0.530 | 86870 |
| terror_group | 0.528 | 65216 |
| terror_attack | 0.527 | 43895 |