Related by context. Frequent words. (Click for all words.) 49 box cutter 48 knives 47 razor blades 45 checked luggage 44 liquid explosives 44 checked baggage 43 scissors 41 hijackers 39 lighters 39 TSA 39 brass knuckles 38 explosives 38 screwdrivers 38 razor blade 37 luggage 37 commercial airliners 36 airplanes 36 airliners 36 screeners 36 screwdriver 35 hijacked planes 35 knife 35 PETN 35 scalpel 35 loaded handgun 35 tweezers 35 bolt cutters 35 concealed weapon 34 homemade bombs 34 machete 34 samurai sword 34 ski mask 34 Moussaoui 34 backpacks 34 metal detectors 33 terrorists 33 foiled plot 33 duffel bag 33 flight attendant 33 toothpicks 33 dirty bomb 33 hammers 33 pliers 33 pat downs 33 pipe bombs 33 razors 33 suitcases 32 guns 32 sledgehammer 32 Umar Farouk Abdulmutallab 32 body scanners 32 incendiary device 32 LaGuardia 32 meat cleaver 32 Southwest Airlines 32 dynamite 32 homemade explosives 32 detonators 32 handguns 32 Zacarias Moussaoui 32 fake IDs 32 baggage handlers 32 terrorist attacks 32 X ray machine 32 restroom 32 shoe bomber 31 suitcase 31 AQAP 31 stow 31 deodorant 31 backpack 31 bleach 31 steak knife 31 machetes 31 hijackings 31 Patriot Act 31 jetliners 31 stun gun 31 detonate 31 al Qaida operatives 31 stun guns 31 bombs 30 pre-#/# 30 gels 30 pepper spray 30 crowbar 30 syringe 30 Abdulmutallab 30 duct taped 30 mastermind Khalid Sheikh Mohammed 30 Airways Flight 30 X ray machines 30 bomb 30 post-#/# [001] 30 airplane 30 liquids 30 pistols 30 Jihadists 30 Islamic fundamentalists 30 ricin 30 duffel bags