caitiff vs miscreant

caitiff

noun
  • A base or despicable person; a wretch 

adj
  • Especially despicable; cowardly 

miscreant

noun
  • One not restrained by moral principles; an unscrupulous villain. 

  • One who holds a false religious belief; a misbeliever. 

  • One who has behaved badly, or illegally. 

adj
  • Lacking in conscience or moral principles; unscrupulous. 

  • Holding an incorrect religious belief. 

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