minion vs servingman

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. 

servingman

noun
  • A male servant. 

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