evil vs virtue

evil

noun
  • Moral badness; wickedness; malevolence; the forces or behaviors that are the opposite or enemy of good. 

  • Something which impairs the happiness of a being or deprives a being of any good; something which causes suffering of any kind to sentient beings; harm; injury; mischief. 

adj
  • Unpleasant, foul (of odour, taste, mood, weather, etc.). 

  • Undesirable; harmful; bad practice. 

  • Intending to harm; malevolent. 

  • Morally corrupt. 

  • Producing or threatening sorrow, distress, injury, or calamity; unpropitious; calamitous. 

virtue

noun
  • Accordance with moral principles; conformity of behaviour or thought with the strictures of morality; good moral conduct. 

  • A creature embodying divine power, specifically one of the orders of heavenly beings, traditionally ranked above angels and below archangels. 

  • A particular manifestation of moral excellence in a person; an admirable quality. 

  • Specifically, each of several qualities held to be particularly important, including the four cardinal virtues, the three theological virtues, or the seven virtues opposed to the seven deadly sins. 

  • An inherently advantageous or excellent quality of something or someone; a favourable point, an advantage. 

  • Specifically, moral conduct in sexual behaviour, especially of women; chastity. 

  • The inherent power or efficacy of something (now only in phrases). 

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