describe vs discover

describe

verb
  • To represent by drawing; to draw a plan of; to delineate; to trace or mark out. 

  • To give rise to a geometrical structure. 

  • To represent in words. 

  • To introduce a new taxon to science by explaining its characteristics and particularly how it differs from other taxa. 

discover

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

  • To find or learn something for the first time. 

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

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