irritate vs put at ease

irritate

verb
  • To cause or induce displeasure or irritation. 

  • To induce pain in (all or part of a body or organism). 

  • To provoke impatience, anger, or displeasure in. 

put at ease

verb
  • To evoke or cause someone to be relaxed or calm. 

How often have the words irritate and put at ease occurred in a corpus of books? (source: Google Ngram Viewer )