gender-free vs intersexual

gender-free

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

  • Acceptable for or available to any gender. 

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

intersexual

adj
  • Between the sexes. 

  • Having both male and female characteristics, or characteristics intermediate between the sexes. 

noun
  • An intersex person. 

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