bisexuality vs gendersex

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”). 

gendersex

noun
  • sex or gender. A division of organisms into masculine(man/male), feminine(woman/female) or others by sexual characteristics or social characteristics. 

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