intercourse vs listenership

intercourse

noun
  • Communication, conversation. 

  • Dealings with people, including commerce and trade. 

  • Sexual intercourse usually involving humans. 

  • Dealings between countries. 

verb
  • To have sexual intercourse. 

listenership

noun
  • The act of paying attention to a conversation or speech; listening. 

  • The audience that listens to a certain form or genre of audio material (specifically (Internet, radio), an audio broadcast such as a radio program or a podcast). 

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