Bow vs Mole

Bow

name

  • A suburb in eastern London, England. 

  • A surname. 

  • A village and civil parish in Mid Devon district, Devon, England (OS grid ref SS7201). 

Mole

name

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

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

  • A surname. 

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