indetermination vs obstinacy

indetermination

noun
  • Lack of determination; an unsettled or wavering state, as of the mind. 

  • Lack of fixed or stated direction. 

obstinacy

noun
  • The state, or an act, of stubbornness or doggedness. 

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