make an impression vs strike a chord

make an impression

verb
  • To affect someone strongly and often favorably. 

strike a chord

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

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

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