Bluff vs Ruse

Bluff

name
  • A town in New Zealand, the southernmost in the South Island, and seaport for the Southland region. 

Ruse

name
  • A suburb in the City of Campbelltown, near Sydney, New South Wales, Australia, named after James Ruse. 

  • A city in northeastern Bulgaria. 

  • A surname. 

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