| september 11 terrorist attacks wikipedia | 1.94 | 0.8 | 3846 | 40 | 63 |
| september 11 2001 terrorist attacks wikipedia | 0.63 | 0.2 | 8576 | 45 | 23 |
| september 11 terrorist attacks | 0.51 | 0.7 | 6303 | 30 | 8 |
| terrorist of september 11 | 0.89 | 0.8 | 4584 | 25 | 23 |
| september 11th terrorist attacks | 1.97 | 0.1 | 4682 | 32 | 21 |
| sept. 11 terrorist attacks | 0.3 | 0.9 | 7694 | 26 | 64 |
| the september 11 2001 terrorist attacks | 1.02 | 0.9 | 2580 | 39 | 67 |
| september 11 terror attacks | 1.91 | 0.8 | 7558 | 27 | 92 |
| sept 11 attacks wiki | 1.88 | 0.7 | 2436 | 20 | 48 |
| the september 11 attacks | 0.75 | 0.4 | 498 | 24 | 34 |
| sept 11th terrorist attacks | 1.99 | 0.9 | 2308 | 27 | 18 |
| september 11th attacks wiki | 0.33 | 0.6 | 5096 | 27 | 21 |
| sept 11 terror attack | 1.51 | 0.4 | 6038 | 21 | 15 |
