ビタミン剤[bitaminzai] vitamin pills
ビラン剤[biranzai] blister agent
育毛剤[ikumouzai] (hair) tonic
下剤[gezai] laxative
化学剤[kagakuzai] chemical agent

可塑剤[kasozai] plasticizer
解毒剤[gedokuzai] antidote
解熱剤[genetsuzai] fever medicine
滑沢剤[kattakuzai] lubricant
乾燥剤[kansouzai] drying agent

燻製[kunsei] smoking (of fish, meat, etc.)
燻し[ibushi] smoking (of meat)
燻らす[kuyurasu] to smoke (e.g. a pipe)
燻蒸[kunjou] fumigation
燻る[fusuburu] to smoke

燻し銀[ibushigin] oxidized silver
燻蒸剤[kunjouzai] fumigant
蚊燻[kayari] outdoor fire with dense smoke to repel mosquitos
蚊燻[kaibushi] outdoor fire with dense smoke to repel mosquitoes
燻す[ibusu] to smoke (something)

薫蒸消毒[kunjoushoudoku] fumigation
蒸かす[fukasu] to steam
蒸ける[fukeru] to become ready to eat (as a result of steaming)
蒸暑い[mushiatsui] humid
蒸し蒸し[mushimushi] hot and humid

蒸し返す[mushikaesu] to reheat
蒸す[musu] to steam
蒸らす[murasu] to cook by steam
蒸れる[mureru] to be stuffy
蒸汽[jouki] steam