一心不乱[isshinfuran] wholeheartedly
淫乱[inran] debauched
潰乱[kairan] corruption (of order, customs, etc.)
快刀乱麻[kaitouranma] solving a problem swiftly and skillfully
怪力乱神[kairyokuranshin] supernatural things

外乱[gairan] noise (interference)
狂乱[kyouran] fury
胡乱[uron] suspicious looking
混乱[konran] disorder
咲乱れる[sakimidareru] to bloom in profusion

壊す[kowasu] to break
壊れる[kowareru] to be broken
壊れ物[kowaremono] fragile article
壊血病[kaiketsubyou] scurvy
壊滅[kaimetsu] destruction

壊乱[kairan] corruption (of order, customs, etc.)
壊疽[eso] gangrene
偶像破壊[guuzouhakai] iconoclasm
決壊[kekkai] break (rip) down
原子破壊機[genshihakaiki] cyclotron

握り潰し[nigiritsubushi] shelving
胃潰瘍[ikaiyou] stomach ulcer
圧潰す[oshitsubusu] to squash
暇潰し[himatsubushi] waste of time
潰滅[kaimetsu] destruction

潰乱[kairan] corruption (of order, customs, etc.)
丸潰れ[marutsubure] complete ruin
顔を潰す[kaowotsubusu] to make somebody lose face
泣潰す[nakitsubusu] to cry one's eyes out
乗り潰す[noritsubusu] to ride (a horse) to death