flunkey vs slavey

flunkey

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

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

  • One who is obsequious or cringing; a snob. 

slavey

noun
  • A female domestic servant; a maid or maidservant. 

  • A male servant. 

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