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