Headlock and Half nelson

Headlock noun - A wrestling hold in which the opponent's head is locked between the crook of your elbow and the side of your body.

Half nelson and headlock are semantically related. In some cases you can replace phrase "Half nelson" with "Headlock", this terms are similar.

Half nelson noun - A wrestling hold in which the holder puts an arm under the opponent's arm and exerts pressure on the back of the neck.

Headlock and half nelson are semantically related. Sometimes you can replace term "Headlock" with "Half nelson", this terms are similar.