Bow one's head and Bow down

Bow down and bow one's head are semantically related. In some cases you can replace term "Bow down" with "Bow one's head", this terms are similar.

Bow down verb - Bend one's knee or body, or lower one's head.

Bow one's head and bow down are semantically related. Sometimes you can replace phrase "Bow one's head" with "Bow down", this terms are similar.