shemale vs trans womyn

shemale

noun
  • A male-to-female transsexual or transgender person; a trans woman. 

  • A male animal which displays female traits or behaviors; for example, a male reptile which gives off female pheromones. 

trans womyn

noun
  • Feminist spelling of trans woman and trans women. 

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