cereal - a breakfast food prepared from grain

granola - cereal made of especially rolled oats with dried fruits and nuts and honey or brown sugar

raisin bran - bran flakes with raisins

corn flake - crisp flake made from corn

bran flake - wheat flake including the bran

wheatflake - crisp flake made from wheat

puffed rice - puffy rice kernels

puffed wheat - puffy wheat berries