commonplace vs pedestrian

commonplace

adj
  • Ordinary; not having any remarkable characteristics. 

noun
  • A platitude or cliché. 

  • A commonplace book. 

  • Something that is ordinary; something commonly done or occurring. 

  • A memorandum; something to be frequently consulted or referred to. 

verb
  • To make a commonplace book. 

  • To enter in a commonplace book, or to reduce to general heads. 

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. 

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