indecision vs wavering

indecision

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

wavering

adj
  • Being in doubt; indecisive. 

  • Fluctuating, uncertain, undetermined, unsteady. 

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