aversion vs xenophobia

aversion

noun
  • An object of dislike or repugnance. 

  • Opposition or repugnance of mind; fixed dislike often without any conscious reasoning. 

xenophobia

noun
  • A strong antipathy or aversion to strangers or foreigners. 

  • A fear of aliens. 

  • A fear of strangers or foreigners. 

  • A hatred of strangers or foreigners. 

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