Nemeses

The roadrunner and coyote were nemeses in the cartoon.

His fear of public speaking was his nemeses when it came to advancing his career.

Her fear of public speaking was one of her nemeses in her career advancement.

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

Time management and work overload were his nemeses at the workplace.

The cat and mouse were nemeses in the classic cartoon.

The homeowner's nemeses, termites, caused extensive damage to the structure of their house.

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