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

テロ組織[terososhiki] terrorist organization
遺伝因子組替え[ideninshikumikae] recombinant gene splicing
改組[kaiso] reorganization
共済組合[kyousaikumiai] cooperative society
共同組合[kyoudoukumiai] cooperative

協同組合[kyoudoukumiai] cooperative
教養番組[kyouyoubangumi] educational channel
五人組[goningumi] five-family unit
娯楽番組[gorakubangumi] amusement program
骨組[honegumi] skeletal frame