titleless vs undistinguished

titleless

adj
  • Without noble title; common. 

  • Having no title; nameless. 

undistinguished

adj
  • Not distinguished: not having an air of distinction. 

  • Not distinguished: not marked by conspicuous qualities. 

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