Fertile vs Fleet

Fertile

name
  • A city and town in Iowa. 

  • A city and town in Minnesota. 

Fleet

name
  • A hamlet in Alberta, Canada. 

  • A river, the Water of Fleet, in Dumfries and Galloway council area, Scotland. 

  • A town in Hart district, Hampshire, England. 

  • A river (the River Fleet) in London, England, now buried underground, that flowed under the Eastern end of the present Fleet Street. 

  • A surname. 

  • A former prison (the Fleet Prison) in London, which originally stood near the stream. 

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