Related by context. Frequent words. (Click for all words.) 34 sleeping bag 33 oxygen tank 33 propellant 32 helium 32 oxygen tanks 31 water heater 31 heater 31 fire extinguisher 31 recliner 31 backpack 31 compressed air 30 oxygen 30 inflate 30 extension cord 30 fire extinguishers 30 hose 29 inhaler 29 balloon 29 duffel bag 29 stove 29 propane tank 29 compressor 29 contraption 29 device 28 respirators 28 canister 27 medication 27 tube 27 ignition 27 wood stove 27 tubes 27 gurney 27 jacket 27 ambulance 26 hoses 26 flashlight 26 suffocate 26 upstairs bedroom 26 air conditioner 26 oxygen masks 26 garden hose 26 mannequin 26 respirator 25 ventilators 25 cooker 25 smoke detectors 25 breathing tube 25 propane tanks 25 carbon monoxide 25 inhalers 25 breathing 24 strangle 24 ventilator 24 EKG 23 predetermined 23 stroller 23 pump 23 chronic obstructive pulmonary 23 aneurysm 22 transmitter 22 coerce 22 suitcase 22 rucksack 22 smoke detector 22 defibrillator 22 improperly 22 cigarette lighter 21 lawnmower 21 loosen 21 difficulty breathing 21 suction 21 ruse 21 respiratory 21 muffler 21 inflating 21 depress 20 lantern 20 emphysema 20 fleece 20 tape recorder 20 repress 20 compress 20 falsify 20 induce 20 neck brace 19 fraudulently 19 carbon monoxide poisoning 19 acid reflux 19 jack 19 crimping 19 generator 19 manipulate 19 pager 19 stabilize 19 conceal 19 schemed 19 cart 19 malfunctioned 19 fabricate 19 siphon 19 pressurize