刑
けい · kei · JLPT N3 · noun
punishment
⛓️⚖️ 刑 kei sounds like cage: the penalty that puts you in one
The right side 刂 is the knife radical, which marks cutting and punishment. Kei sounds like cage: a sentence (刑) puts someone in a cage. It shows up in 死刑 shikei (death penalty) and 刑事 keiji (criminal case).