ambivalence vs antilogy

ambivalence

noun
  • A state of uncertainty or indecisiveness. 

  • The coexistence of opposing attitudes or feelings (such as love and hate) towards a person, object or idea. 

antilogy

noun
  • A contradiction in related terms or ideas. Usually an inconsistency in syllogisms, of a person or group supposedly of one set of ideals. 

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