coquet vs have an affair

coquet

verb
  • To act as a flirt or coquet. 

  • To attempt to attract the notice, admiration, or love of; to treat with a show of tenderness or regard, with a view to deceive and disappoint; to lead on. 

  • To waste time; to dally. 

noun
  • A flirtatious female; a coquette. 

have an affair

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

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