get under someone's skin vs gratify

get under someone's skin

verb
  • To make a memorable impression or have a strong effect on someone; to impact someone's feelings, especially when such an effect is not expected or wanted. 

  • To irritate someone. 

gratify

verb
  • To make content; to satisfy. 

  • To please. 

How often have the words get under someone's skin and gratify occurred in a corpus of books? (source: Google Ngram Viewer )