derived vs pedestrian

derived

adj
  • A product of derivation 

  • Of, or pertaining to, conditions unique to the descendant species of a clade, and not found in earlier ancestral species. 

pedestrian

adj
  • Of or intended for those who are walking. 

  • Ordinary, dull; everyday; unexceptional. 

  • Pertaining to ordinary, everyday movements incorporated in postmodern dance. 

noun
  • A walker; one who walks or goes on foot, especially as opposed to one who uses a vehicle. 

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