Nemeses

His short temper was one of his nemeses in his personal and professional relationships.

The chef's nemeses, a lack of fresh ingredients and poor kitchen equipment, limited his culinary creations.

The thief's greed eventually became his nemeses and led to his capture.

Her nemeses were her anxiety and perfectionism.

The two rival gangs were nemeses in the crime world.

Their nemeses were their fear of failure and lack of self-confidence.