• 停止ていし — suspension / halt
• 止血しけつ — stopping bleeding / hemostasis
• 中止ちゅうし — cancellation
• 禁止きんし — prohibition
• 休止きゅうし — pause / rest

The shape of 止 originally represented a foot, indicating a halt or pause in motion. This character is often used both literally (to stop movement) and figuratively (to stop action, cancel, or prohibit). It frequently appears in compound words related to ceasing activity.

バスが止とまりました。
The bus has stopped.

この機械きかいを止とめてください。
Please stop this machine.