set down vs situate

set down

verb
  • To place, especially on the ground or a surface; to cease carrying; to deposit; to allow passengers to alight. 

  • To fix; to establish; to ordain. 

  • To land. 

  • To write. 

situate

verb
  • To place on or into a physical location. 

  • To place or put into an intangible place or position, such as social, ethical, fictional, etc. Most commonly used adjectivally in past participle and often used figuratively. 

adj
  • Situated; located. 

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