indifferent vs pedestrian

indifferent

adj
  • Ambivalent; unconcerned; uninterested, apathetic. 

  • Indicating or reflecting a lack of concern or care. 

  • Having no preference. 

  • Mediocre (usually used negatively in modern usage). 

  • Not making a difference; without significance or importance. 

  • Being in the state of neutral equilibrium. 

noun
  • A person who is indifferent or apathetic. 

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 indifferent and pedestrian occurred in a corpus of books? (source: Google Ngram Viewer )