mentionable vs outlawed

mentionable

adj
  • Important or worthy of note. 

  • Suitable to be openly talked about, or mentioned; not taboo. 

outlawed

adj
  • put beyond the limits of the law, declared an outlaw or declared a criminal. 

  • put beyond the limits of the law, forbidden, against the law. 

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