unlivable vs unworthy

unlivable

adj
  • Unfit to be lived in; uninhabitable. 

  • That cannot be lived. 

unworthy

adj
  • Not worthy; lacking value or merit; worthless. 

noun
  • An inadequate person. 

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