brown sugar vs glucose

brown sugar

noun
  • Refined sugar to which molasses has been added. 

  • An attractive black woman. 

  • Heroin. 

  • Sugar which has been only partially refined and still contains molasses. 

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 brown sugar and glucose occurred in a corpus of books? (source: Google Ngram Viewer )