animus vs oppugnation

animus

noun
  • The masculine aspect of the feminine psyche or personality. 

  • The basic impulses and instincts which govern one's actions. 

  • A feeling of enmity, animosity or ill will. 

oppugnation

noun
  • opposition 

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