pedestrian vs unoriginal

pedestrian

adj
  • Ordinary, dull; everyday; unexceptional. 

  • Of or intended for those who are walking. 

  • 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. 

unoriginal

adj
  • Lacking originality. 

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

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

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