Related by context. Frequent words. (Click for all words.) 66 Anhydrous ammonia 61 ammonium nitrate 59 ammonium nitrate fertilizer 58 Ammonium Nitrate 56 Highly enriched uranium 56 triacetone triperoxide 56 potassium chlorate 55 Hydrogen peroxide 53 potassium nitrate 53 sodium nitrate 52 hydrogen peroxide 51 fertilizer 51 colorless liquid 50 Baking soda 50 Hydrochloric acid 50 Nitrous oxide 50 Depleted uranium 50 Wheat gluten 50 Improvised explosive devices 49 Chitosan 49 ammonium sulfate 49 explosives 49 sodium cyanide 49 urea fertilizer 48 methyl alcohol 48 Thallium 48 improvised bombs 48 fertilizers 48 oxidizer 48 naturally occurring substance 48 TATP 48 blasting caps 48 Ammonia 48 Roadside bombs 48 pentaerythritol 47 thickening agent 47 Improvised Explosive Devices IEDs 47 Acetone 47 castor beans 47 colorless odorless 47 Ricin 47 Pseudoephedrine 47 Ephedrine 47 HMTD 47 Insurgents detonated 47 explosives detonators 47 americium 47 homemade bombs 46 Hydrogen sulfide 46 RDX 46 flavor enhancer 46 propylene oxide 46 thermite 46 suspected carcinogen 46 odorless colorless 46 iron phosphate 46 contained PETN 46 Essential oils 46 chemicals 45 emulsifier 45 gelatine sticks 45 gelatin sticks 45 homemade explosives 45 Malathion 45 C4 explosives 45 ammonium 45 oxalic acid 45 rocket propellant 45 shag tool 45 detonators 44 renewable feedstocks 44 Conflicting casualty tolls 44 alarm clocks connected 44 flammable chemicals 44 polybrominated diphenyl ethers 44 Chlorine 44 petroleum distillates 44 propylene glycol 44 soil conditioner 44 armor piercing bombs 44 hydrogen cyanide 44 Improvised Explosive Devices 44 causes botulism 44 nitric acid 44 exploded prematurely 44 explosive PETN 44 Suspected Islamist 43 detonation cord 43 ethyl acetate 43 industrial explosive PETN 43 Sulfur dioxide 43 formic acid 43 Bioethanol 43 propellants 43 improvised explosive devices 43 Nitrogen 43 Carbon dioxide 43 esters 43 Salahuddin Amin 43 Phosphorus 43 Methanol