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

隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
近隣[kinrin] neighbourhood
近隣諸国[kinrinshokoku] neighboring countries
先隣[sakitonari] next door but one
善隣[zenrin] good neighbour

善隣友好[zenrinyuukou] neighbourly friendship
又隣[matadonari] second door from here
両隣[ryoudonari] both sides
隣り[tonari] neighbor (neighbour)
隣家[rinka] neighbouring house