Break off and Fall behind

Break off verb - To bring (as an action or operation) to an immediate end.

Fall behind and break off are semantically related. In some cases you can use "Fall behind" instead a verb "Break off".

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

Break off and fall behind are semantically related. Sometimes you can use "Break off" instead a verb "Fall behind".