hermaphrodism vs intersex

hermaphrodism

noun
  • A congenital condition in which an organism possesses the reproductive organs of both sexes. 

intersex

noun
  • The condition of being intersex; intersexuality. 

  • An individual with any of these conditions. 

verb
  • To make 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. 

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