Cayenne pepper is a very hot ground spice derived from dried cayenne chili peppers.
For other spices, see allspice, aniseeds, caraway, cardamom, chili powder, Chinese five-spice powder, cinnamon, cloves, coriander seeds, cumin, curry powder, fennel seeds, garam masala, ginger, juniper berries, mace, nutmeg, paprika, pepper, peppercorns, saffron, Sichuan pepper, star anise, sumac, and turmeric.