Did you mean: zheng zhang zhengwu zhengju zhenge zhengqu ?
针 |
zhēn gū | thimble |
枕 |
zhěn gǔ | occipital bone (back of the skull) |
砧 |
zhēn gǔ | incus or anvil bone of middle ear, passing sound vibration from malleus hammer bone to stapes stirrup bone |