houseless vs necessitous

houseless

adj
  • lacking or in need of a house or home 

  • homeless but not wanting for local ties, affiliations or roots in a particular community. 

necessitous

adj
  • Lacking; required. 

  • Necessary; unavoidable. 

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