Harrow vs Ken

Harrow

name
  • A London borough of Greater London, England. 

  • A prestigious public school for boys in the town of Harrow. 

  • A surname originating as an occupation for a harrower. 

  • A town in northwestern Greater London, England. 

Ken

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

  • A diminutive of the male given name Kenneth. 

  • A surname. 

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