helpful vs miscreant

helpful

adj
  • Furnishing help; giving aid; useful. 

miscreant

adj
  • Lacking in conscience or moral principles; unscrupulous. 

  • Holding an incorrect religious belief. 

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

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

  • One who has behaved badly, or illegally. 

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