(w)

(záo) chisel; to bore a hole; to chisel or dig; certain; authentic; irrefutable

(w)

(zuò) see 鑿|凿[zao2]

凿井 (w)

(záojǐng) to dig a well

凿子 (w)

(záozǐ) chisel

凿枘 (w)

(záoruì) to fit like mortise and tenon

凿石场 (w)

(záoshíchǎng) rock quarry

凿空 (w)

(záokōng) to open an aperture; (extended meaning) to cut a way through; to open up a road