Mole vs Save

Mole

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

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

  • A surname. 

Save

name
  • A river in southern France that flows about 143 km (89 mi) from the Pyrenees to the Garonne at Grenade. 

  • A river in southeastern Africa that flows about 400 km (250 mi) from south of Harare in Zimbabwe, through Mozambique, to the Indian Ocean. 

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