animus vs oppugnancy

animus

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

  • The masculine aspect of the feminine psyche or personality. 

  • A feeling of enmity, animosity or ill will. 

oppugnancy

noun
  • The act of oppugning; opposition; resistance 

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