masturbate vs wank

masturbate

verb
  • To stimulate oneself sexually, especially by use of one’s hand or a sex toy made for this purpose, often to the point of ejaculation or orgasm. 

  • To stimulate someone else sexually without penetration of the penis. 

  • To stimulate or please oneself by means of anything, not necessarily sexual, that does not get them anywhere; something that wastes their time; something that does not help others or achieve any important goal. 

wank

verb
  • To masturbate; to give a hand job to. 

  • To masturbate. 

  • To argue in an inappropriate manner or about pretentious or insubstantial matters; to engage in wank. 

noun
  • Drama, turmoil, or disagreement within a fannish space. 

  • An act of masturbation. 

  • An undesirable person. 

  • Nonsense, rubbish. 

  • Ridiculous, circular or inappropriately elaborate argument about something, especially if obnoxious, pretentious or unsubstantial. 

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