ambulant vs vagrant

ambulant

adj
  • Able to walk. 

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

noun
  • A patient who is able to walk. 

vagrant

adj
  • Moving without a certain direction; roving, wandering; also, erratic, unsettled. 

  • Wandering from place to place, particularly when without any settled employment or habitation. 

  • Of or pertaining to a vagabond or vagrant, or a person fond of wandering. 

noun
  • An animal, typically a bird, found outside its species' usual range. 

  • Vagrans egista, a widely distributed Asian butterfly of the family Nymphalidae. 

  • A person without settled employment or habitation who usually supports himself or herself by begging or some dishonest means; a tramp, a vagabond. 

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