delineate vs stake out

delineate

verb
  • To outline or mark out. 

  • To describe or depict with words or gestures. 

  • To depict, represent with pictures. 

  • To sketch out, draw or trace an outline. 

stake out

verb
  • To mark off the limits by stakes 

  • To watch a location and/or people, generally covertly. 

  • To end the game by hitting the stake peg in the middle of the court. 

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