SimilarityRank
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