Sharpness vs Tongue

Sharpness

name

  • An inland port in Stroud district, Gloucestershire, England (OS grid ref SO6702). 

Tongue

name

  • A village by the Kyle of Tongue in Sutherland, Highland council area, Scotland (OS grid ref NC5956). 

  • A surname. 

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