fornication vs gender identity

fornication

noun
  • Sexual intercourse by people who are not married to each other, or which is considered illicit in another way. 

  • Sexual intercourse in general; sex. 

gender identity

noun
  • A person's internal sense of self as belonging to a particular gender or genders, or to no gender. 

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