Fall behind and Fall behindhand

Fall behind verb - Hang (back) or fall (behind) in movement, progress, development, etc..

Fall behindhand and fall behind are semantically related. In some cases you can replace phrase "Fall behindhand" with "Fall behind", this terms are similar.

Fall behind and fall behindhand are semantically related. Sometimes you can replace term "Fall behind" with "Fall behindhand", this terms are similar.