rui4
tenon; tool handle; wedge

strokes 8
radical
strokes after radical 4
方枘圆凿 方枘圓鑿 fang1 rui4 yuan2 zao2
to put a square peg in a round hole; incompatible (idiom)

枘凿 枘鑿 rui4 zuo4
incompatible

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

凿枘 鑿枘 zao2 rui4
to fit like mortise and tenon