footman vs slavey

footman

noun
  • A man in waiting; a male servant whose duties are to attend the door, the carriage, the table, etc. 

  • Coordinate term: footwoman 

  • especially, the common footman (Manulea lurideola) 

  • A bar that connects the treadle of a spinning wheel to the wheel. 

  • A metallic stand with four feet, for keeping anything warm before a fire. 

  • A servant who runs in front of his master's carriage. 

  • A moth of the family Arctiidae (or subfamily Arctiinae); -- so called from its livery-like colors. 

slavey

noun
  • A male servant. 

  • A female domestic servant; a maid or maidservant. 

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