duke vs moonraker

duke

noun
  • A grand duke. 

  • The male ruler of a duchy (female equivalent: duchess). 

  • A fist. 

  • The sovereign of a small state. 

  • A high title of nobility; the male holder of a dukedom. 

  • Any of various nymphalid butterflies of the Asian genera Bassarona and Dophla. 

verb
  • To hit or beat with the fists. 

  • To give cash to; to give a tip to. 

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 duke and moonraker occurred in a corpus of books? (source: Google Ngram Viewer )