allophilia vs xenophobia

allophilia

noun
  • The quality of having positive intergroup attitudes, i.e., positive attitudes towards outgroup members, those with characteristics different from one's own, such as people of different races, religions, cultures, etc. 

xenophobia

noun
  • A fear of aliens. 

  • A strong antipathy or aversion to strangers or foreigners. 

  • A fear of strangers or foreigners. 

  • A hatred of strangers or foreigners. 

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