aversion vs oppugnancy

aversion

noun
  • An object of dislike or repugnance. 

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

oppugnancy

noun
  • The act of oppugning; opposition; resistance 

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