he-she vs tranny

he-she

noun
  • A transsexual or transgender female; a woman who was assigned male at birth. 

tranny

noun
  • A transsexual, transgender, or transvestite person, usually a trans woman. 

  • A mechanical transmission, a gearbox. 

  • A transistor radio. 

  • A transformer. 

  • A transition between moves. 

How often have the words he-she and tranny occurred in a corpus of books? (source: Google Ngram Viewer )