strike a chord vs touch a chord

strike a chord

verb
  • To convey a feeling or meaning which someone personally internalizes and takes to heart. 

  • To elicit a significant reaction, especially one which is favorable or sympathetic. 

touch a chord

verb
  • Synonym of strike a chord 

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