zhi4
zhì
fluke; leech; hirudinea

strokes 12
radical
strokes after radical 6
笄蛭 笄蛭 ji1 zhi4
zhì
a kind of earthworm

水蛭 水蛭 shui3 zhi4
shuǐzhì
leech

水蛭素 水蛭素 shui3 zhi4 su4
shuǐzhì
hirudin

蛭石 蛭石 zhi4 shi2
zhìshí
vermiculite