honey bun vs sugar-plum

honey bun

noun
  • A glazed fried yeast pastry with honey and cinnamon in the dough. 

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 honey bun and sugar-plum occurred in a corpus of books? (source: Google Ngram Viewer )