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

御報せ[oshirase] notice
テレビ報道[terebihoudou] television report
遺伝情報[idenjouhou] genetic information
医療報酬[iryouhoushuu] medical fee
一死報国[isshihoukoku] dying for one's country

一報[ippou] information
報える[kotaeru] to respond
応報[ouhou] retribution
果報[kahou] good fortune
果報は寝て待て[kahouhanetemate] All things come to those who wait

火燵掛布[kotatsugake] cover for kotatsu
火燵布団[kotatsubuton] cover for kotatsu
引火[inka] catching fire
引火温度[inkaondo] flash temperature
引火点[inkaten] flash point

曳火弾[eikadan] tracer bullet
煙火[enka] smoke and fumes (e.g. from cooking)
遠火[toobi] distant fire
下火[shitabi] burning low
下火になる[shitabininaru] to be under control

火災[kasai] conflagration
火災保険[kasaihoken] fire insurance
核災害[kakusaigai] nuclear disaster
公務災害[koumusaigai] accidents in line of duty
災い[wazawai] calamity

災禍[saika] accident
災害[saigai] calamity
災難[sainan] calamity
災難に遭う[sainanniau] to meet with misfortune
災厄[saiyaku] calamity

警める[imashimeru] to admonish
機械警備[kikaikeibi] card-key system
機動警察[kidoukeisatsu] mobile police
軍事警察[gunjikeisatsu] military police
警衛[keiei] guard

警戒[keikai] vigilance
警戒心[keikaishin] wariness
警官[keikan] policeman
警句[keiku] aphorism
警護[keigo] bodyguard