brown sugar vs monosaccharide

brown sugar

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

  • An attractive black woman. 

  • Heroin. 

  • Refined sugar to which molasses has been added. 

monosaccharide

noun
  • A simple sugar such as glucose, fructose or deoxyribose that has a single ring 

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