Pan vs Plough

Pan

name
  • A moon of the planet Saturn. 

  • Greek god of nature, often visualized as half goat and half man playing pipes. His Roman counterpart is Faunus. 

  • A surname. 

  • A suburb of Newport, Isle of Wight, England (OS grid ref SZ5088). 

Plough

name
  • The brightest seven stars of the constellation Ursa Major. They are Alkaid, Mizar, Alioth, Megrez, Dubhe, Merak, and Phecda. 

  • A surname. 

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