Related by context. Frequent words. (Click for all words.) 69 hijackers 60 Al Qaeda operatives 57 al Qaeda operatives 56 terrorists 54 Mohammed Atta 54 Al Queda 54 al Qaeda 53 terrorist attacks 53 Al Qaeda 52 Al Qa'ida 52 Islamic extremists 51 mastermind Khalid Shaikh Mohammed 51 Hijackers 51 jihadists 51 Islamic radicals 51 suicide bombers 51 hijacked airliners 51 hijacker 51 terrorist 51 al Qa'ida 50 al Qaida operatives 50 Al Qaeda operative 50 Al Qaida operatives 50 al Qaeda operative 50 Mohamed Atta 50 Bin Ladin 50 jihadis 49 plotters 49 Qaeda 49 al Qa'eda 48 bombers 48 al Qaida 48 hijackings 47 hijacked planes 47 militant Islamists 47 shoe bomber 47 terror 47 Saudi Arabians 47 Mohammad Sidique Khan 47 hijacked airplanes 47 Bin Laden 47 suspected terrorists 47 Ramzi Yousef 46 Jihadists 46 jihadist 46 Islamist radicals 46 hijacking 45 AQAP 45 bin Laden 45 Osama Bin Laden 45 Terrorists 45 Jihadis 45 Islamic fundamentalists 45 Osama bin Laden 45 Ziad Jarrah 45 alleged plotters 45 hijacked 44 Khalid Sheikh Mohammed 44 Al Qaida 44 Jihadist 44 Islamists 44 fidayeen 44 radical Islamists 44 Islamic extremist 44 Osama 44 Ramzi Binalshibh 44 mastermind Khalid Sheik Mohammed 44 conspirators 44 terror plots 44 attacks 44 underwear bomber 44 bomber Faisal Shahzad 43 Usama bin Laden 43 mastermind Khalid Sheikh Mohammed 43 Nashiri 43 radical Islamist 43 suicide attackers 43 suicide hijackings 43 homegrown terrorists 43 terror suspects 43 Awlaki 43 fedayeen 43 Moussaoui 43 Mossad agents 43 airliners 43 Middle Easterners 43 Saudis 43 CIA operatives 43 Ramzi bin 43 Zarqawi 43 Al Libi 43 attackers 42 extremists 42 Jihadi 42 Binalshibh 42 Qaida 42 Abu Nidal 42 Jaish 42 commandos 42 al Qahtani 42 El Shukrijumah