愛想の良い[aisonoii] affable
意想外[isougai] unexpected
仮想[kasou] imagination
仮想記憶[kasoukioku] virtual memory
仮想空間[kasoukuukan] virtual space (e.g. in computer graphics)

回想[kaisou] reflection
回想録[kaisouroku] memoirs
楽想[gakusou] melodic subject
感想[kansou] impressions
危険思想[kikenshisou] dangerous thoughts

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

トランプ狂[toranpukyou] card freak
間狂言[aikyougen] kyogen interlude
気が狂う[kigakuruu] to go mad
気狂い[kichigai] madness
狂い[kurui] deviation

狂い回る[kuruimawaru] to rave
狂い咲き[kuruizaki] off-season flowering
狂う[kuruu] to go mad
狂おしい[kuruoshii] crazy about
狂喜[kyouki] wild joy