ambulant vs footgoer

ambulant

noun
  • A patient who is able to walk. 

adj
  • Able to walk. 

  • Designed for use by somebody with a disability that impairs, but does not prevent, walking. 

footgoer

noun
  • One who goes by foot; a walker; pedestrian. 

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