havering vs noncommittal

havering

adj
  • Hesitant; indecisive. 

  • Long-winded 

noun
  • Indecision, indecisive behaviour. 

noncommittal

adj
  • Tending to avoid commitment; lacking certainty or decisiveness; reluctant to give out information or show one's feelings or opinion. 

noun
  • Failure to commit to a decision or course of action. 

  • A voter etc. who has not yet committed to a decision. 

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