faceless vs undistinguished

faceless

adj
  • Having or revealing no individuality, personality or distinctive characteristics. 

  • Having no face 

  • Having or revealing no individual identity or character; anonymous. 

undistinguished

adj
  • Not distinguished: not marked by conspicuous qualities. 

  • Not distinguished: not having an air of distinction. 

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