ambulant vs wanderer

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. 

wanderer

noun
  • One who wanders, who travels aimlessly. 

  • Any of various far-migrating nymphalid butterflies of the genus Danaus. 

  • The wandering albatross, Diomedea exulans. 

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