BO aerate aerify afterdamp ash ashes atomize bad breath bad smell be aromatic be redolent of blackdamp bleed blow body odor brand breath breathe breathe out calx carbon carbonate charcoal chlorinate chokedamp cinder clinker cloud coal coke coom damp discharge distill dross effluvium effuse emit emit a smell etherify etherize evacuate evaporate excrete exfiltrate exhalation exhale exhaust expire extravasate exudate exude fetid air fetidity fetidness fetor filter filtrate firedamp flatus fluid fluidize foul breath foul odor fractionate frowst fume fumes fumigate funk gasify give off give out give vent to graveolence halitosis hum hydrogenate lava leach let out lixiviate malaria malodor mephitis miasma mist nidor noxious stench odor offend the nostrils offensive odor ooze open the floodgates open the sluices oxygenate percolate perfume puff puff of smoke reeking rotten smell scoria seep send out slag smell smell bad smell of smell to heaven smell up smoke smudge smut soot spray steam stench stench of decay stink stink out stink up strain sublimate sublime sullage throw off transpire transude vapor vaporize volatile volatilize water vapor weep yield an odor