gayphobia vs heterosexualism

gayphobia

noun
  • Fear, dislike, or hatred of gay people in general. 

  • Fear, dislike, or hatred of gay men. 

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 gayphobia and heterosexualism occurred in a corpus of books? (source: Google Ngram Viewer )