Related by context. Frequent words. (Click for all words.) 55 underground tunnels 52 bunkers 50 underground bunker 48 hideouts 48 fortifications 44 tunnels 43 caves 43 Katyusha rockets 42 Scud missiles 42 artillery shells 42 subterranean 41 basements 41 fortresses 41 artillery 40 rocket launchers 40 fortified 40 Scuds 40 warheads 40 weapons caches 39 trenches 39 heavily fortified 39 razor wire 39 heavily guarded 39 watchtowers 39 warplanes 39 weapons 39 tanks 38 biological weapons 38 refugee camps 38 urban warfare 38 airfields 38 cruise missiles 38 underground 38 bombs 38 caverns 38 missiles 38 weaponry 38 armored vehicles 38 missile launchers 38 smuggling tunnels 38 munitions 38 warplanes bombed 38 atomic bombs 37 concentration camps 37 Israeli warplanes 37 rockets 37 hideout 37 forts 37 sleeper cells 37 bunker 37 spy satellites 37 hunkered down 37 guerrilla fighters 37 perimeters 37 chemical biological 37 reinforced concrete 36 weapons cache 36 army barracks 36 hilltops 36 warehouses 36 army 36 safes 36 human shields 36 infantrymen 36 Airstrikes 36 guerrillas 36 shells 36 helicopter gunships 36 bombers 36 snipers 36 mortars 35 jungles 35 booby traps 35 cellars 35 al Qaeda operatives 35 cots 35 windowless 35 fighter bombers 35 bulletproof glass 35 explosives 35 makeshift 35 stockpiles 35 barbed wire 35 stairwells 35 storage tanks 35 burrow 35 Al Qaeda operatives 35 arsenals 35 guerillas 35 burrows 35 temporary shelters 35 stockpiled 35 WMDs 35 tents 34 lecture halls 34 walls 34 airstrike 34 suicide attackers 34 atom bombs 34 missile 34 troop movements