hermaphroditism vs intersexuality

hermaphroditism

noun
  • The state of having sexual organs of both the male and female sexes. 

intersexuality

noun
  • The state of having the physical features of both sexes, or of having ambiguous sex, i.e. not unambiguously male or female. 

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