錆びる[sabiru] to rust
錆付く[sabitsuku] to rust together
錆止め[sabidome] rust-proofing
身から出た錆[mikaradetasabi] paying for one's mistakes
不錆鋼[fuseikou] stainless steel

錆び[sabi] rust
金錆[kanasabi] rust
赤錆[akasabi] rust
防錆[bousei] anti-rust
錆色[sabiiro] rust (colour)

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