防ぐ【ふせぐ】
to defend against, to protect against, to prevent, to avert, to avoid
防御【ぼうぎょ】
defense, defence, safeguard, protection
防止【ぼうし】
prevention, check
国防【こくぼう】
national defence, national defense
防衛庁【ぼうえいちょう】
Japan Defense Agency (became Ministry of Defense in January 2007)
予防【よぼう】
prevention, protection (against), precaution
攻防【こうぼう】
offense and defense, offence and defence
防災【ぼうさい】
disaster preparedness, prevention of damage resulting from a natural disaster, protection against disaster
消防【しょうぼう】
fire fighting, fire department, fire brigade
防護【ぼうご】
protection
防犯【ぼうはん】
prevention of crime, security (device, camera, etc.)
予防接種【よぼうせっしゅ】
vaccination, inoculation, immunization, immunisation
堤防【ていぼう】
bank, weir, embankment, levee
防火【ぼうか】
fire prevention, fire fighting, fire proof
防空【ぼうくう】
air defense, air defence
専守防衛【せんしゅぼうえい】
nonaggressive defense (policy) (defence)
砂防【さぼう】
erosion control
防水【ぼうすい】
waterproofing, making watertight
防音【ぼうおん】
soundproofing
防戦【ぼうせん】
defensive fight (battle)