The phrase 'fall out' implies a strong emotional response and may suggest a serious disagreement.

Emotional impact

'Fall out' is often used for close relationships like friends or family, not so much for casual acquaintances.

Relationship focus

This phrase can imply the possibility of future reconciliation, unlike an irreversible breakup.

'Fall out' indicates unintended loss, like something slipping or dropping without purpose.

Used when something physically separates from where it was attached or held.

The phrase can describe unexpected events, such as items or people hastily leaving a place.

It emphasizes the natural unfolding or aftermath of events or actions.

Can refer to the way non-physical things, such as plans or situations, develop over time.