ambulant vs journeying

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. 

journeying

noun

  • travel, travelling 

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