穴 - hole, aperture, slit

hole; opening; orifice; perforation

filling (up) a hole

air hole; windhole; air vent

pitfall; trap; pit

cave; cavern; den; grotto

grave (pit)

bucket; pail

anus; asshole; arsehole

cluster of Kofun-period graves

posthole (archaeology)

ass; arse; buttocks

pilot hole; rough hole; prepared hole