bisexuality vs zoophilia

bisexuality

noun
  • The state of being sexually or romantically attracted to members of either sex or gender. 

  • The state of being bisexual (“having both male and female parts or roles”). 

zoophilia

noun
  • Human sexual attraction toward or sexual interaction with non-human animals. 

  • Excessive fondness for animals. 

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