pansexuality vs sexual relations

pansexuality

noun
  • Sexuality that encompasses all kinds of sexuality. 

  • A sexual orientation characterized by the potential for aesthetic attraction, romantic love and/or sexual desire for people regardless of their gender or sex. 

sexual relations

noun
  • The act of sexual intercourse. 

  • Sexual activities between individuals. 

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