お大事に[odaijini] take care of yourself
事がある[kotogaaru] (something) has occurred
事にすると[kotonisuruto] perhaps
事になる[kotoninaru] it has been decided (so) that
事によって[kotoniyotte] via

どうという事もない[doutoiukotomonai] nothing special
悪事[akuji] evil deed
暗殺事件[ansatsujiken] assassination
囲み記事[kakomikiji] (newspaper) column
遺事[iji] reminiscences

カバー曲[kabaakyoku] remake of another artist's song (a "cover")
サイン曲線[sainkyokusen] sinusoid
愛唱曲[aishoukyoku] favourite song
委曲[ikyoku] details
一曲[ikkyoku] tune (melody, piece of music)

迂曲[ukyoku] meander
円曲[enkyoku] roundabout way (of speaking or working)
円錐曲線[ensuikyokusen] conic curve
円舞曲[enbukyoku] waltz (composition)
演曲[enkyoku] musical program