• 防護ぼうご

  protection

• 防音ぼうおん

  soundproofing

• 防空ぼうくう

  air defense, air defence

• 防弾ぼうだん

  bulletproof, bombproof

• 防止ぼうし

  prevention, check

• 防衛ぼうえい

  defense, defence, protection

• 防戦ぼうせん

  defensive fight (battle)

• 防水ぼうすい

  waterproofing, making watertight

• 防火ぼうか

  fire prevention, fire control, fireproofing

• 防御ぼうぎょ

  defense, defence, safeguard, protection

• 防ぐふせぐ

  to defend against, to protect against

• 防犯ぼうはん

  prevention of crime

• 防疫ぼうえき

  communicable disease control (e.g. by quarantine, disinfection, etc.), prevention of epidemics

• 防災ぼうさい

  disaster preparedness, prevention of damage resulting from a natural disaster, protection against disaster

• 国防こくぼう

  national defence, national defense

• 消防しょうぼう

  fire fighting

• 攻防こうぼう

  offense and defense, offence and defence

• 砂防さぼう

  erosion control

• 予防よぼう

  prevention, protection (against), precaution

• 堤防ていぼう

  bank, weir, embankment, levee

• 防波堤ぼうはてい

  breakwater, mole

• 防衛庁ぼうえいちょう

  Japan Defense Agency (became Ministry of Defense in January 2007)

• 消防署しょうぼうしょ

  fire station

• 消防車しょうぼうしゃ

  fire engine, fire truck

• 消防庁しょうぼうちょう

  Fire and Disaster Management Agency

• 正当防衛せいとうぼうえい

  legitimate self-defence, legitimate self-defense

• 専守防衛せんしゅぼうえい

  nonaggressive defense (policy) (defence)

• 予防接種よぼうせっしゅ

  vaccination, inoculation, immunization, immunisation

• 防犯カメラぼうはんカメラ

  security camera

• 防衛施設庁ぼうえいしせつちょう

  (Japanese) Defense Facilities Administration Agency (Defence)

• 防氷ぼうひょう

  anti-icing

• 防毒ぼうどく

  gasproofing

• 防染ぼうせん

  resist dyeing

• 防炎ぼうえん

  fire prevention

• 防縮ぼうしゅく

  shrinkproof

• 防沫ぼうまつ

  splash-proof

• 防塁ぼうるい

  bulwark, earthwork

• 防刃ぼうじん

  stab-proof, knife-proof

• 防遏ぼうあつ

  prevention, preclusion

• 防熱ぼうねつ

  heat resistance

• 防浸ぼうしん

  watertight, waterproof

• 防爆ぼうばく

  explosion protection

• 防臭ぼうしゅう

  odor-resistant, odour-resistant

• 防燃ぼうねん

  fireproof, fire-resistant

• 防塞ぼうさい

  fort, defensive position

• 防暑ぼうしょ

  protection against heat

• 防菌ぼうきん

  anti-microbial, antifungal, antimicrobe

• 防楯ぼうじゅん

  gun shield (esp. artillery)

• 防備ぼうび

  defense, defence, defensive preparations

• 防煙ぼうえん

  protection from smoke, anti-smoke