flunkey vs teacher’s pet

flunkey

noun
  • One easily deceived in buying stocks; an inexperienced and unwary jobber. 

  • An underling; a liveried servant or a footman; servant, retainer – a person working in the service of another (especially in the household). 

  • One who is obsequious or cringing; a snob. 

teacher’s pet

How often have the words flunkey and teacher’s pet occurred in a corpus of books? (source: Google Ngram Viewer )