integrity vs virtue

integrity

noun
  • Steadfast adherence to a strict moral or ethical code. 

  • Trustworthiness; keeping your word. 

  • The state of being wholesome; unimpaired 

  • With regards to data encryption, ensuring that information is not altered by unauthorized persons in a way that is not detectable by authorized users. 

  • The ability of systems to provide timely warnings to users when they should not be used for navigation. 

  • The quality or condition of being complete; pure 

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 integrity and virtue occurred in a corpus of books? (source: Google Ngram Viewer )