bad egg vs miscreant

bad egg

noun
  • Someone whose behaviour is reprehensible or irresponsible; a rogue. 

  • An egg that has gone bad; a rotten egg. 

miscreant

noun
  • One who has behaved badly, or illegally. 

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

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

adj
  • Lacking in conscience or moral principles; unscrupulous. 

  • Holding an incorrect religious belief. 

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