Related by context. Frequent words. (Click for all words.) 56 airliners hijacked 51 PESHAWAR Pakistan Suspected 51 hijacked planes 50 Shanksville Pennsylvania 50 highjackers 50 hijacked jetliner 49 hijacked jetliners 49 hijacked airplanes 48 Helicopter gunships fired 47 hijack airplanes 46 hijacked airliner 46 helicopters ferrying 45 Twin Towers collapsing 45 fired Hellfire missile 45 3 Sentry AWACS 44 hijacked airliners 44 jets pounded 44 Suspected Islamist 44 hijacked 43 unmanned Predator aircraft 43 Shanksville Pa. 43 jet taxied 43 Bargal 43 Qaeda operative 42 airliners 42 Israeli commandos rappelled 42 Robert Stethem 42 detonating roadside bomb 42 Hani Hanjour 42 Pan Am jumbo jet 42 Apache helicopter gunship 42 Airlines Flight 42 detonated explosives aboard 42 Pentagon Hani Hanjour 42 TWA flight 42 propeller plane 41 JTAC confirmed 41 predator drone 41 Ships anchored 41 commercial airliners 41 Tu #M 41 jetliners 41 Marwan al Shehhi 41 Cubana de Aviacion 41 overhead compartments dripped 41 warship USS Cole 41 B# bombers 41 ringleader Mohammed Atta 41 shoebomber Richard Reid 41 Moroccan descent pleaded guilty 41 ringleader Mohamed Atta 41 triggered landmine blast 41 Airstrike kills 41 Tomcat fighter 41 Usama bin Ladin 40 Suspected Abu Sayyaf 40 pilotless drone 40 plotter Zacarias Moussaoui 40 Bronx synagogues 40 regional turboprops 40 mangled fuselage 40 Unmanned aerial vehicles 40 hijackers 40 Cubana airliner 40 turbo prop plane 40 master bombmaker 40 Insurgents ambushed 40 al Baluchi 40 USS Cole destroyer 40 reconnaissance drone 40 Iran Airtour 40 MANILA Philippines Suspected 40 Sources Porn stash 40 commercial jetliners 40 Shahjoi district 39 outfit Harkat ul 39 al Qeada 39 F/A-# jets 39 Gunships 39 detonating explosives 39 Chetak helicopter 39 downings 39 Jaish e Mohammed JeM 39 Terrorists 39 terrorists 39 jetliner crashed 39 Unmanned Aerial Vehicle UAV 39 de Aeronautica SA 39 reconnaissance C4ISR unmanned 39 C# Hercules 39 Al Qaida operatives 39 Umar Farouk AbdulMutallab 39 Underground trains 39 USS Vincennes 38 Bojinka 38 Suspected Maoist rebels 38 airplanes 38 Farj 38 emplacing 38 bound airliners 38 fidayeen suicide