glucose vs sugar-plum

glucose

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

sugar-plum

noun
  • A round or oval sweet/piece of candy made of boiled sugar. 

  • Term of endearment: sweetheart, darling. 

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