houseman vs womanservant

houseman

noun
  • A male follower or retainer; a male domestic worker or servant. 

  • A medical graduate gaining practical experience in a hospital; a house officer. 

womanservant

noun
  • A woman who is a servant; the female counterpart to a manservant. 

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