Axe vs Mole

Axe

name
  • A river in Somerset, England, which flows into the Bristol Channel at Weston-super-Mare. 

  • A river in Dorset, Somerset, and east Devon, England, which flows into Lyme Bay at Seaton. 

Mole

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

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

  • A surname. 

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