houseboy vs maid-of-all-work

houseboy

noun
  • A non-white adult male domestic servant. 

  • A young male domestic servant, especially in a British colony in former times. 

maid-of-all-work

noun
  • A female servant employed to do general housework. 

  • Any person who does a wide range of jobs in a supportive role; a thing that serves a wide range of purposes. 

How often have the words houseboy and maid-of-all-work occurred in a corpus of books? (source: Google Ngram Viewer )