4 strokes
cavity, hole, slit, very, great, exceedingly
On'Yomi: コウ
Kun'Yomi: あな
11 strokes
nest, rookery, hive, cobweb, den
On'Yomi: ソウ
Kun'Yomi: す, す.くう
5 strokes
hole, aperture, slit, cave, den
On'Yomi: ケツ
