Mole vs Strand

Mole

name
  • A river in Surrey, England, tributary to the Thames. 

  • A river in Devon, England, tributary to the Taw. 

  • A surname. 

Strand

name
  • An area surrounding the street in central London, England. 

  • A surname. 

  • A municipality of Rogaland, Norway. 

  • A street in Westminster running from Trafalgar Square to Fleet Street. 

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