tranny vs trans womyn

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. 

trans womyn

noun
  • Feminist spelling of trans woman and trans women. 

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