She has fallen under his spell.

She has fallen about laughing at his joke.

The black swan fallacy is a logical error that occurs when people assume that something is impossible or highly unlikely because it has never happened before.

The black swan fallacies are often used to illustrate the limitations of predicting rare events.

The Fallers are a group of experienced tree climbers.

My friend's last name is Faller.

The belief that unless a solution is perfect, it is not worth pursuing is an example of the nirvana fallacy.

There are many nirvana fallacies in the argument.

Many people are susceptible to bandwagon fallacies.

My friend's last name is Falla.