Nemeses

His phobia of heights was one of his nemeses that prevented him from enjoying outdoor activities.

The roadrunner and coyote were nemeses in the cartoon.

The cat and mouse were nemeses in the classic cartoon.

Growing up in poverty, she believed that a life of struggle was her nemeses.

He had a feeling of foreboding that the car accident he had avoided would ultimately prove to be his nemeses.

The hero and his nemeses had a fierce battle that lasted for days.

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