animosity vs animus

animosity

noun
  • Violent hatred leading to active opposition; active enmity; energetic dislike. 

animus

noun
  • A feeling of enmity, animosity or ill will. 

  • The masculine aspect of the feminine psyche or personality. 

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

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