xenophilia vs xenophobia

xenophilia

noun
  • an attraction to or love of foreign people, manners or culture 

  • love (especially sexual love) between humans and extraterrestrials 

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 xenophilia and xenophobia occurred in a corpus of books? (source: Google Ngram Viewer )