There are many conceptual fallacies in his argument.

There are many fallacies of composition in this argument.

There are many formal fallacies in his argument.

Many people are prone to committing genetic fallacies.

There are many informal fallacies in his argument.

Many people are prone to committing naturalistic fallacies.

There are many nirvana fallacies in the argument.

Many people are susceptible to bandwagon fallacies.

Many people believe in the apex fallacies.

The toupees were filled with fallacies.