ambulant vs wayfarer

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. 

wayfarer

noun
  • A traveller, especially one on foot. 

  • A type of glasses, with pointed ends and rounded bottoms. 

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