Related by context. Frequent words. (Click for all words.) 55 suicide bombings 52 hijackings 52 suicide hijackings 52 terrorist attacks 50 bombings 49 attacks 48 bombing 48 suicide bombing 47 assassinations 46 simultaneous bombings 45 massacres 45 terrorist 45 hijacked airliners 44 hijacking 44 hijacked planes 44 bombings kidnappings 44 Abu Nidal 44 suicide bombers 44 assassination attempts 43 hostage takings 43 trans Atlantic airliners 42 terror 42 Bali bombings 42 Islamic extremist 42 TWA Flight 42 Suicide bombings 42 terror plots 42 Mughniyeh 41 Marine barracks 41 Bali bombing 41 Islamic extremists 41 nightclub bombings 41 assassination 40 Ramzi Yousef 40 Sheikh Yassin 40 Mossad 40 Islamic radicals 40 USS Cole bombing 40 al Qaeda 40 Imad Mughniyeh 40 airliners 40 conspiracies 39 al Qaida operatives 39 al Qa'ida 39 al Qaeda operatives 39 USS Cole 39 kidnappings 39 Al Qaeda operatives 39 retaliatory strikes 39 targeted assassinations 39 Islamic Jihad 39 Khobar Towers 38 al Qaida 38 jihadi 38 Al Qaeda 38 Al Qaida 38 bombers 38 Ziad Jarrah 38 al Qa'eda 38 pandemics 38 airliner 38 bomb blasts 38 Operation Condor 38 terrorists 38 Bali blasts 38 jihadist 38 commercial airliners 37 explosions 37 foiled plot 37 flu pandemics 37 commercial jetliners 37 Mohamed Atta 37 mastermind Khalid Shaikh Mohammed 37 Bin Ladin 37 totalitarian regimes 37 Islamic militant 37 attack 37 missile strikes 37 liquid explosives 37 Rantisi 37 Bombings 37 Islamist militant 37 Chechen separatists 37 martyrdom 37 terroristic 37 simultaneous explosions 37 anthrax mailings 37 suicide attackers 36 bomber Timothy McVeigh 36 jetliners 36 Columbine massacre 36 hijackers 36 anthrax scare 36 extremist groups 36 Mohammed Atta 36 Motassadeq 36 Al Qa'ida 36 Palestinian intifada 36 murderous 36 Al Zarqawi 36 sarin gas