Related by context. Frequent words. (Click for all words.) 59 smoke 52 smoke wafted 49 exhaust vents 47 separately ventilated 45 inhaling smoke 45 fumes 45 smoking 45 smokes 45 Thick clouds 44 smoke billowed 44 smoke billowing 44 ventilation ducts 44 cigarette smoke 44 combustible gases 44 flames billowing 43 Smoke 43 nonsmoking sections 43 puffers 43 Smoldering 43 smokers 43 corrosives 43 Propane tanks 43 Upon arrival firefighters 43 smoke billows 43 thick plume 43 Nonsmoking 43 portable fire extinguishers 42 Diesel exhaust 42 emitting 42 Thick black 42 Plumes 42 halogen 42 secondhand tobacco 42 vaporizer 42 inhaling fumes 42 smoke wafting 42 smoker 42 nonflammable 42 hickory wood 42 sheesha 42 properly ventilated 42 billowing 41 Firefighters doused 41 respiratory irritant 41 operable windows 41 overpowering smell 41 vaporizers 41 extractor fan 41 e cigs 41 smokeless 41 dryer vents 41 ciggie 41 exhaust vent 41 menthols 41 smoky 41 shisha 41 cigarettes 41 cannisters 41 cigs 41 suppressants 41 propane cylinders 41 cleaning solvents 41 waterpipe 41 vapor 40 methylene chloride 40 Puffing 40 Prolonged exposure 40 thick plumes 40 smoky odor 40 cigarettes cigars 40 propane canisters 40 firebox 40 roofing tar 40 Smoke billows 40 chimney flue 40 inhaling toxic 40 chemical solvents 40 Winstons 40 canisters 40 lighted cigarette 40 puff 40 billowing smoke 40 thinners 40 Chewing tobacco 40 Flammable 40 carbon monoxide CO 40 nonsmoking 40 incomplete combustion 40 cigars 40 towering plume 40 Huffing 39 propane cylinder 39 Smoke billowed 39 air conditioning vents 39 billow 39 hydrogen chloride 39 toxic vapors 39 chimney 39 odorless 39 billowing cloud 39 tobacco specific nitrosamines