enjoy vs have an affair

enjoy

verb
  • To have sexual intercourse with. 

  • To receive pleasure or satisfaction from something. 

  • To have the use or benefit of something. 

  • To be satisfied or receive pleasure. 

have an affair

verb
  • To engage in a romantic or sexual relationship while being married. 

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