Related by context. Frequent words. (Click for all words.) 42 terrorist attacks 39 attacks 37 Beverly Eckert 37 terror 36 trans Atlantic airliners 36 al Qaida 36 homegrown terrorists 36 terrorist 36 hijacked airliners 36 hijacker Mohamed Atta 35 Bali blasts 35 hijackers 35 Al Qa'ida 35 suicide hijackings 35 al Qa'eda 35 hijacked planes 35 suicide bombings 34 David Lereah 34 Al Qaida 34 Al Qaeda 34 Islamic extremists 34 al Qaeda 34 PhoCusWright 33 post-#/# [001] 33 al Qa'ida 33 bombings kidnappings 33 AQAP 33 US bound airliner 33 bombings 33 Philip Zelikow 32 Islamist militant 32 Bali bombings 32 Lashkar e Taiba LeT 32 racial slurs harassment 32 mastermind Khalid Shaikh Mohammed 32 Moussaoui 32 Bin Laden 32 Bali bombing 32 Lashkar e Taiba 32 accounting scandals 32 hijacked airliner 32 bombing 32 Islamic extremist 32 burn Qurans 32 Awlaki 31 terrorists 31 missile strikes 31 drone strikes 31 pent 31 destroyer USS Cole 31 foiled plot 31 al Qaida operatives 31 Pearl Harbor 31 hijackings 31 terror plots 31 pre-#/# 31 cyberattacks 31 USS Cole bombing 31 Mumbai carnage 31 bin Laden 31 ChangeWave 31 al Qaida hideouts 31 Islamic militants 31 Taleban insurgents 30 roadside bombings 30 drone attacks 30 nightclub bombings 30 Mzoudi 30 Victim Compensation Fund 30 Lereah 30 airliner bombing 30 Suicide bombings 30 insurgent 30 mastermind Osama bin 30 Marine barracks 30 Detroit bound airliner 30 simultaneous bombings 30 Terrorist 30 suicide bombing 30 Zacarias Moussaoui 30 suicide bombers 30 Democratically controlled Congress 30 Qaeda 30 militant 30 Osama bin Laden 30 Terrorist Attacks Upon 29 Islamist militants 29 Middle Easterners 29 Shanksville Pennsylvania 29 commercial airliners 29 Terrorist Attacks 29 terrorism 29 Islamic radicals 29 USS Cole 29 jihadi 29 Naroff 29 conspirator Zacarias Moussaoui 29 underwear bomber 29 suicide attackers 29 Sars outbreak 29 LeT