detraction vs guardianship

detraction

noun
  • The act of detracting something, or something detracted; taking away; diminution. 

  • A derogatory or malicious statement; a disparagement, misrepresentation or slander. 

  • The act of revealing previously unknown faults of another person to a third person. 

guardianship

noun
  • The office or position of one acting as a guardian or conservator, especially in a legal capacity. 

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