noncommittal vs viscerotonic

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. 

viscerotonic

adj
  • Designating a personality type characterised as sociable, easy-going, and comfort-seeking. 

noun
  • A person with such a personality. 

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