Nemeses

The roadrunner and coyote were nemeses in the cartoon.

The nemeses of clean energy are the fossil fuel industries that have long dominated the world's energy production.

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

The cat and mouse were nemeses in the classic cartoon.

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