lackluster vs viscerotonic

lackluster

noun
  • A person or thing of no particular brilliance or intelligence. 

  • Lack of brightness or points of interest. 

adj
  • Having no shine or lustre; dull. 

  • Not exceptional; not worthy of special merit, attention, or interest; having no vitality. 

  • Lacking brilliance or intelligence. 

viscerotonic

noun
  • A person with such a personality. 

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

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