| 山 |
shān dòng | cavern / cave |
| 山 |
Shān | surname Shan |
| 山 |
shān | mountain; hill (CL:座) / (coll.) small bundle of straw for silkworms to spin cocoons on |
| 洞 |
dòng | cave / hole / zero (unambiguous spoken form when spelling out numbers) / CL:个 |
| 洞 |
tóng | used in 洪洞, a county in Shanxi |