zao2
chisel; to bore a hole; to chisel or dig; certain; authentic; irrefutable; also pr.

strokes 12
radical
strokes after radical 10
穿凿 穿鑿 chuan1 zao2
to bore a hole; to give a forced interpretation

穿凿附会 穿鑿附會 chuan1 zao2 fu4 hui4
to make far-fetched claims (idiom); to offer outlandish explanations

方枘圆凿 方枘圓鑿 fang1 rui4 yuan2 zao2
to put a square peg in a round hole; incompatible (idiom)

开凿 開鑿 kai1 zao2
to cut (a canal, tunnel, well etc)

确凿 確鑿 que4 zao2
definite; conclusive; undeniable; authentic; also pr.

确凿不移 確鑿不移 que4 zao2 bu4 yi2
established and irrefutable (idiom)

枘凿 枘鑿 rui4 zuo4
incompatible

榫凿 榫鑿 sun3 zao2
mortise chisel

妄生穿凿 妄生穿鑿 wang4 sheng1 chuan1 zao2
a forced analogy (idiom); to jump to an unwarranted conclusion

圆凿方枘 圓鑿方枘 yuan2 zao2 fang1 rui4
see 方枘圓鑿|方枘圆凿

凿壁偷光 鑿壁偷光 zao2 bi4 tou1 guang1
lit. to pierce the wall to steal a light (idiom); fig. to study diligently in the face of hardship

凿井 鑿井 zao2 jing3
to dig a well

凿空 鑿空 zao2 kong1
to open an aperture; (extended meaning) to cut a way through; to open up a road

凿枘 鑿枘 zao2 rui4
to fit like mortise and tenon

凿石场 鑿石場 zao2 shi2 chang3
rock quarry

凿岩 鑿岩 zao2 yan2
(rock) drilling

凿岩机 鑿岩機 zao2 yan2 ji1
rock drill

凿子 鑿子 zao2 zi3
chisel