Fallback and Pullback

Fallback noun - To break off a military action with an enemy.

Pullback and fallback are semantically related in forward topic. In some cases you can use "Pullback" instead a noun "Fallback". popular alternative

Pullback noun - An act of moving away especially from something difficult, dangerous, or disagreeable.

Fallback and pullback are semantically related in retreat topic. You can use "Fallback" instead a noun "Pullback", if it concerns topics such as forward.