bisexual person vs bisexuality

bisexual person

noun
  • a person attracted to persons of either gender 

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”). 

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