ignore vs shut out

ignore

verb
  • To pretend to not notice someone or something. 

  • To deliberately not listen or pay attention to. 

shut out

verb
  • To hide from sight. 

  • To prevent from scoring; to perform a shutout. 

  • To refuse to be open and vulnerable toward. 

  • To prevent from entering; to block or exclude. 

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