breakfast cereal vs granola

breakfast cereal

noun
  • A food made from processed grains, such as maize, oats, wheat or rice, usually eaten for breakfast with milk and sometimes sugar. 

granola

noun
  • A breakfast and snack food consisting of loose, crispy pellets made of nuts, rolled oats, honey and other natural ingredients. 

adj
  • Eating healthy food, supporting the protection of the environment, and having liberal views. 

How often have the words breakfast cereal and granola occurred in a corpus of books? (source: Google Ngram Viewer )