ambivalence vs indecision

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. 

indecision

noun
  • The inability to decide on a course of action, especially if two or more possibilities exist. 

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