faceless vs impersonal

faceless

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

  • Having no face 

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

impersonal

adj
  • Not personal; not representing a person; not having personality. 

  • Lacking warmth or emotion; cold. 

  • Not having a subject, or having a third person pronoun without an antecedent. 

noun
  • An impersonal word or construct. 

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