barn dance vs intercourse

barn dance

verb
  • To take part in barn dancing. 

noun
  • A type of set step routine dancing, such as square dance. 

intercourse

verb
  • To have sexual intercourse. 

noun
  • Dealings with people, including commerce and trade. 

  • Sexual intercourse usually involving humans. 

  • Dealings between countries. 

  • Communication, conversation. 

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