diabetes vs glycogen

diabetes

noun
  • Diabetes mellitus; any of a group of metabolic diseases whereby a person (or other animal) has high blood sugar due to an inability to produce, or inability to metabolize, sufficient quantities of the hormone insulin. 

  • Diabetes insipidus; any condition characterized by excessive or incontinent urine, now specifically as caused by impaired production of, or response to, the antidiuretic hormone vasopressin. 

  • Any food or beverage with a high amount of sugar. 

glycogen

noun
  • A polysaccharide that is the main form of carbohydrate storage in animals; converted to glucose as needed. 

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