Frank vs Royal

Frank

name
  • A male given name from the Germanic languages. 

  • A diminutive of the male given name Francis 

  • A surname transferred from the nickname. 

noun
  • One of the Franks, a Germanic federation that inhabited parts of what are now France, the Low Countries and Germany. 

Royal

name
  • A male given name from English from the surname 

  • A surname from Old English. 

  • A male given name from the word "royal". 

noun
  • A member of the first regiment of foot in the British army. 

  • someone connected with Reading Football Club, as a fan, player, coach etc. 

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