Related by context. Frequent words. (Click for all words.) 69 potentially fatal 63 lethal 59 deadly 57 dangerous 50 poisonous 48 potentially harmful 48 poisons 48 fatal 47 potentially hazardous 46 toxic 45 lifethreatening 44 potent 44 deadly toxin 43 terrifying 43 heart arrhythmias 43 dangers 42 Reye syndrome 42 hazardous 42 frightening 42 potent toxin 42 LETHAL 42 accidental overdoses 42 POTENTIALLY 41 noxious substances 41 poisonous substances 41 Allergic reactions 41 noxious chemicals 41 biohazards 41 noxious 41 potent neurotoxin 40 noxious substance 40 accidental ingestion 40 causes botulism 40 synthetic narcotic 40 harmful 40 trigger allergic reactions 40 benzocaine 40 tetrodotoxin 40 rhythm abnormalities 39 RADIATION 39 toxin 39 serotonin syndrome 39 atropine 39 dangerously 39 flammable substances 39 destructive 39 bioweapon 39 serious 39 bioterrorists 39 Thallium 39 bioterrorist 39 immobilising 39 discarded needles 39 anthrax plague 39 painkiller fentanyl 38 Rat poison 38 hypodermic 38 Ingesting 38 CS spray 38 seizures coma 38 tranquillizers 38 ricin poisoning 38 corrosive 38 neurotoxic 38 DEADLY 38 meningitis pneumonia 38 neurotoxin 38 weaponised 38 tranquilisers 38 overdoses 38 drugs 38 hazards 38 naturally occurring radioactive 38 HEROIN 38 lethal dose 38 potentially 38 threatening 38 unpleasant 38 botulism toxin 38 imitation firearms 38 Stun guns 38 catastrophic consequences 37 accidental poisonings 37 toxic substances 37 Hydrogen peroxide 37 substances 37 catastrophic 37 toxicants 37 poison 37 scorpion venom 37 witches brew 37 severe allergic reaction 37 perilous 37 radioactive isotope polonium 37 bladed weapons 37 highly flammable 37 nasty 37 explosive 37 corrosives 37 debilitating 37 toxic solvents