Black pepper Powder is one of the most commonly used spices worldwide. It's made by grinding peppercorns, which are dried berries from the vine Piper nigrum. It has a sharp and mildly spicy flavor that goes well with many dishes.
Chili powder is a seasoning blend of ground dried chiles and other spices. Common chiles include: New Mexico chiles, Ancho chiles, or Cascabel chiles. These are usually combined with spices such as cumin, oregano, and paprika. The taste varies from blend to blend.