At rest and Frozen

At rest adjective - In a state of repose or especially sleep.

Frozen and at rest are semantically related. in calm topic. In some cases you can use "Frozen" instead an adjective phrase "At rest", when it comes to topics like motionless.

Frozen adjective - Firmly positioned in place and difficult to dislodge.

At rest and frozen are semantically related. Sometimes you can use "At rest" instead an adjective "Frozen".