duchess vs moonraker

duchess

noun
  • The female ruler of a duchy. 

  • The wife or widow of a duke. 

verb
  • to court or curry favour for political or business advantage; to flatter obsequiously. 

moonraker

noun
  • Someone from Wiltshire. 

  • A small, light sail located high on a mast (above the skysail) and used for speed. 

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