corn sugar vs glucose

corn sugar

noun
  • A deceptive term for high fructose corn syrup developed by corn refiners meant to imply sugar 

  • Dextrose, especially originating from corn starch 

glucose

noun
  • A simple monosaccharide (sugar) with a molecular formula of C₆H₁₂O₆; it is a principle source of energy for cellular metabolism. 

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