Keep on a tight rein and Keep a tight rein on

Keep a tight rein on and keep on a tight rein are semantically related In some cases you can replace term "Keep a tight rein on" with "Keep on a tight rein", this terms are similar.

Keep on a tight rein and keep a tight rein on are semantically related in exercise strict control over topic. Sometimes you can replace phrase "Keep on a tight rein" with "Keep a tight rein on", this terms are similar.