bisexual vs bisexuality

bisexual

noun
  • A person who is bisexual. 

  • A plant or fungus, or part thereof, which is bisexual. 

  • An organism (that is, a species) which has male and female sexes. 

adj
  • Involving two sexes (particularly with regard to reproduction; contrast parthenogenetic or asexual). 

  • Of fungi: producing both the "female" ascogonium and the "male" antheridium. 

  • Of gametophytes: producing both eggs and sperm. 

  • Sexually attracted to both men and women (by a narrow definition) or to people of multiple or any genders (by a broad definition; compare pansexual). 

  • Having two distinct sexes, male and female (as contrasted with unisexual or hermaphroditic). 

  • Hermaphroditic/intersex, being both male and female, or alternating between being male and being female. 

  • Of flowers: having both pollen and seeds. 

  • Androgynous. 

  • Of sporophytes: having both male and female organs. 

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. 

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