Ken vs Royal

Ken

name
  • A diminutive of the male given name Kenneth. 

  • Kensington in London (in combinations, e.g. South Ken, High Street Ken). 

  • A surname. 

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 Ken and Royal occurred in a corpus of books? (source: Google Ngram Viewer )