gender-free vs intersex

gender-free

adj
  • Which does not define people in the basis of gender; in which gender is irrelevant to people's lives and choices. 

  • Agender, being neither male nor female nor any third gender; free of gender. 

  • Acceptable for or available to any gender. 

intersex

adj
  • Having any of a variety of inherent conditions (in a species with distinct sexes) in which one's sex characteristics differ from those of a typical male and female; for example, having sex characteristics relating to both male and female sexes. 

  • A person who can get pregnant and also impregnate someone else. 

noun
  • An individual with any of these conditions. 

  • The condition of being intersex; intersexuality. 

verb
  • To make intersex. 

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