lackey vs toadeater

lackey

noun
  • A fawning, servile follower. 

  • A footman, a liveried male servant. 

verb
  • To attend, wait upon, serve obsequiously. 

toadeater

noun
  • A fawning, obsequious parasite; a mean sycophant or flatterer. 

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