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

御化け[obake] goblin
御化け屋敷[obakeyashiki] haunted house
胡麻化し[gomakashi] hanky-panky
イオン化[ionka] ionization
カスタム化[kasutamuka] customization

コンピュータ化[konpyuutaka] computerization
シアン化合物[shiankagoubutsu] cyanide
シアン化物[shiankabutsu] cyanide
スリム化[surimuka] thinning
パーソナル化[paasonaruka] personalization

右折禁止[usetsukinshi] No Right Turn!
運転停止[untenteishi] suspension of operations
化学兵器禁止条約[kagakuheikikinshijouyaku] chemical weapons ban treaty
核抑止力[kakuyokushiryoku] nuclear deterrent force
鎌止め[kamadome] cutting grass and trees is prohibited

客止め[kyakudome] draw a full house
休止[kyuushi] pause
休止符[kyuushifu] rest (music)
挙止[kyoshi] bearing
禁止[kinshi] prohibition

老麺[raamen] ramen (Chinese-style noodles)
家老[karou] chief retainer
棄老[kirou] old person thrown away in the mountains
敬老[keirou] respect for the aged
敬老の日[keirounohi] Respect-for-the-Aged Day Holiday (third Monday in September)

元老[genrou] elder statesman
元老院[genrouin] (Roman) senate
故老[korou] old people
車海老[kurumaebi] kuruma prawn (Marsupenaeus japonicus)
寿老人[juroujin] god of longevity

ミサイル防衛[misairubouei] missile defence
共同防衛[kyoudoubouei] joint defense
攻防[koubou] offense and defense
攻防戦[koubousen] battle
国防[kokubou] national defence

国防総省[kokubousoushou] National Military Establishment
国防長官[kokubouchoukan] Secretary of Defence (Defense)
国防費[kokubouhi] defence expenditure
砂防[sabou] erosion control
酸化防止剤[sankaboushizai] antioxidant