SimilarityRank
since_9_/_[number] 0.773 64126
post-9_/_[number] 0.769 87391
the_9_/_[number]_attack 0.753 41728
after_September_[number] 0.697 75057
the_War_on_Terror 0.656 63478
on_9_/_[number] 0.652 46096
9_/_[number] 0.634 7060
the_war_on_terror 0.626 47377
terrorist_attack 0.614 15398
Bin_Laden 0.589 39834
the_World_Trade_Center 0.578 43422
Al_Qaeda 0.573 20556
terrorism 0.571 3838
Osama_bin_Laden 0.563 29989
counterterrorism 0.558 58849
bin_Laden 0.554 33593
al_Qaeda 0.548 26461
the_invasion_of_Iraq 0.545 59891
the_Iraq_war 0.544 36456
Al-Qaeda 0.543 34126
al-Qaida 0.542 53789
the_war_in_Iraq 0.542 31207
the_Patriot_Act 0.540 65917
the_FBI 0.540 8429
terror_attack 0.540 43895