faceless vs soulless

faceless

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

  • Having no face 

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

soulless

adj
  • As if without a soul; insensitive, unfeeling. 

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