perambulatory vs walking

perambulatory

adj
  • Relating to perambulation. 

walking

adj
  • Characterized by or suitable for walking. 

  • Incarnate as a human; living. 

  • Able to walk in spite of injury or sickness. 

  • Heavily characterized by some given quality. 

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