derivate vs fuddy-duddy

derivate

noun
  • Something derived; a derivative. 

adj
  • Derived; derivative. 

fuddy-duddy

noun
  • An old-fashioned, persnickety or ineffective person. 

adj
  • Old-fashioned and persnickety or ineffective. 

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