minion vs white knight

minion

noun
  • A loyal servant of another, usually a more powerful being. 

  • A sycophantic follower. 

  • The size of type between nonpareil and brevier, standardized as 7-point. 

white knight

noun
  • A hero, savior, or righteous individual. 

  • An individual or corporation that intends to acquire another company in order to avert a hostile takeover. 

  • Someone who unnecessarily defends someone else. 

  • A man who defends a woman in debate etc. in an attempt to gain her favour. 

  • A mushroom of species Tricholoma album. 

verb
  • To unnecessarily defend someone, especially in an attempt to gain favour. 

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