cat's paw vs minion

cat's paw

minion

noun
  • A sycophantic follower. 

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

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

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