butch vs intergender

butch

noun
  • A lesbian who appears masculine or acts in a masculine manner. 

adj
  • Very masculine, with a masculine appearance or attitude. 

intergender

noun
  • A person whose gender identity is midway between male and female. 

adj
  • intergender friendship, intergender wrestling 

  • Being midway between male and female. 

  • Taking place between people of opposite genders. 

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