御守[omamori] charm
井守[imori] newt (esp. the Japanese fire belly newt, Cynops pyrrhogaster)
看守[kanshu] jailer
看守者[kanshusha] jailer
居留守[irusu] pretending to be out

見守る[mimamoru] to watch over
厳守[genshu] strict observance
固守[koshu] clinging
攻守[koushu] offense and defense
子守り[komori] babysitter

一意専心[ichiisenshin] single-mindedly
高専[kousen] technical college
歯内療法専門医[shinairyouhousenmoni] endodontist
耳鼻咽喉専門医[jibiinkousenmoni] ear, nose and throat specialist
住専[juusen] housing-loan corporation

専ら[moppara] wholly
専横[senou] arbitrariness
専科[senka] specialized course
専業[sengyou] special occupation
専攻[senkou] major subject

ミサイル防衛[misairubouei] missile defence
衛視[eishi] guards at parliament
衛所[eisho] place guarded by soldiers
衛星[eisei] satellite
衛星地球局[eiseichikyuukyoku] (satellite) earth station

衛星放送[eiseihousou] satellite broadcasting
衛生[eisei] health
衛生基準[eiseikijun] health standards
衛兵[eihei] palace guard
共同防衛[kyoudoubouei] joint defense

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