pleasure oneself vs touch oneself

pleasure oneself

verb
  • To masturbate. 

  • Used other than figuratively or idiomatically: see pleasure, oneself. 

touch oneself

verb
  • To masturbate. 

  • Used other than figuratively or idiomatically: see touch, oneself. 

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