derivate vs undistinguished

derivate

adj
  • Derived; derivative. 

noun
  • Something derived; a derivative. 

undistinguished

adj
  • Not distinguished: not having an air of distinction. 

  • Not distinguished: not marked by conspicuous qualities. 

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