How to read: すばる、すぼる
Pronunciation: 
Same names and idioms in reading:
昴瑠 澄晴 純星 主春 統ばる
Names and idioms with total stroke of 11:
侍女 花々し 村上乙 紅入 啍
Names and idioms similar to 窄る:
狭窄 尻窄 大窄 上窄
Yojijukugo(idioms with 4 Kanji characters) including 窄る:
冤家路窄 視野狭窄