inspect vs stake out

inspect

verb
  • To view and examine officially. 

  • To examine critically or carefully; especially, to search out problems or determine condition; to scrutinize. 

stake out

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

  • To mark off the limits by stakes 

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

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