discover vs exhume

discover

verb
  • To find or learn something for the first time. 

  • To create by moving a piece out of another piece's line of attack. 

  • To question (a person) as part of discovery in a lawsuit. 

exhume

verb
  • To uncover; to bring to light. 

  • To dig out of the ground; to take out of a place of burial; to disinter. 

  • The archeologist exhumed artifacts from the ground with a shovel. 

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