productive vs unoriginal

productive

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

  • Of inflammation, producing new tissue. 

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

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

  • 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. 

unoriginal

adj
  • Not being the first or earliest version of something, not original. 

  • Lacking originality. 

noun
  • A person or work that does not exhibit originality. 

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