heterosexualism vs pansexuality

heterosexualism

noun
  • Synonym of heterosexuality 

  • Discrimination against non-heterosexual people on the basis of their sexual orientation. 

  • The state or existence of heterosexuality, including the traditional gender roles that accompany it. 

pansexuality

noun
  • Sexuality that encompasses all kinds of sexuality. 

  • A sexual orientation characterized by the potential for aesthetic attraction, romantic love and/or sexual desire for people regardless of their gender or sex. 

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