close one's eyes vs look out

close one's eyes

verb
  • Used other than figuratively or idiomatically: see close, one's, eyes. 

  • To ignore something. 

  • To sleep. 

look out

verb
  • Used other than figuratively or idiomatically: see look, out. 

  • To be vigilant and aware often as an imperative to alert a person to danger. 

  • To find by looking: to hunt out. 

  • To be facing (used with "on"). 

How often have the words close one's eyes and look out occurred in a corpus of books? (source: Google Ngram Viewer )