gayism vs heterosexualism

gayism

noun
  • Discrimination against gay people; hostility to gay people. 

  • Homosexuality. 

  • A purported ideology behind (and promoting) gayness. 

heterosexualism

noun
  • 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. 

  • Synonym of heterosexuality 

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