bisexuality vs fence sitter

bisexuality

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

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

fence sitter

noun
  • One who is bisexual, or who is uncertain about their sexual orientation. 

  • One who takes neither side of an argument or controversy, but maintains a neutral position. 

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