アナログデジタル変換器[anarogudejitaruhenkanki] analog-digital converter
圧搾器[assakuki] compression
圧力調整器[atsuryokuchouseiki] pressure regulator
安全器[anzenki] safety device
安定器[anteiki] stabilizer

医療器械[iryoukikai] medical appliances
育雛器[ikusuuki] breeder
化学兵器[kagakuheiki] chemical weapons
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty
加減抵抗器[kagenteikouki] rheostat

薫陶[kuntou] education
陶器[touki] porcelain (esp. soft-paste porcelain)
陶芸[tougei] ceramic art
陶芸家[tougeika] potter
陶工[toukou] potter

陶磁[touji] clay
陶磁器[toujiki] porcelain
陶磁器店[toujikiten] ceramic stores
陶酔[tousui] intoxication
鬱陶しい[uttoushii] gloomy (e.g. mood)