狭い[semai] narrow
狭まる[sebamaru] to narrow
狭める[sebameru] to narrow
狭軌[kyouki] narrow gauge
狭軌鉄道[kyoukitetsudou] narrow-gauge railway

狭義[kyougi] narrow sense (e.g. of a word)
狭苦しい[semakurushii] cramped
狭心症[kyoushinshou] heart attack
狭量[kyouryou] narrow-mindedness
肩身が狭い[katamigasemai] feeling ashamed

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