聾する[rousuru] to deafen
聾唖[roua] deafness
聾唖学校[rouagakkou] school for the deaf
聾唖者[rouasha] deaf and mute person

聾学校[rougakkou] school for the deaf
聾桟敷[tsunbosajiki] being kept uninformed
聾者[rousha] deaf person
鉄聾[kanatsunbo] completely deaf

黄鉄鉱[outekkou] iron pyrites
可鍛鉄[katantetsu] malleable iron
狭軌鉄道[kyoukitetsudou] narrow-gauge railway
近鉄[kintetsu] Kinki Nippon Tetsudou (railway co.)
剣付き鉄砲[kentsukideppou] fixed bayonet

甲鉄[koutetsu] armor
甲鉄艦[koutetsukan] armored ship
甲鉄板[koutetsuban] armor plate
鋼鉄[koutetsu] steel
国鉄[kokutetsu] national railway (esp. Japan National Railways)