intercourse vs purchasing

intercourse

noun
  • Dealings with people, including commerce and trade. 

  • Sexual intercourse usually involving humans. 

  • Dealings between countries. 

  • Communication, conversation. 

verb
  • To have sexual intercourse. 

purchasing

noun
  • An act or process of making a purchase. 

  • A part of an organization that manages such processes 

  • A complex, organized process in large organizations for obtaining goods that may include identification of requirements, approvals, supplier management, negotiation, receipt of goods, and payment. 

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