productive vs vegetative

productive

adj
  • Of, or relating to the creation of goods or services. 

  • Of a cough, producing mucus or sputum from the respiratory tract. 

  • Of inflammation, producing new tissue. 

  • Capable of producing something, especially in abundance; fertile. 

  • Consistently applicable to any of an open set of words. 

  • Yielding good or useful results; constructive. 

  • A type of set of natural numbers, related to mathematical logic. 

vegetative

adj
  • Of or relating to plants; especially to their growth. 

  • Physically inactive. 

  • Of a state of impaired brain function, where a person can respond to some stimuli but is incapable of voluntary acts. 

  • Of or relating to functions such as growth, nutrition and asexual reproduction rather than sexual reproduction. 

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