housewife vs servant

housewife

noun
  • A woman whose main employment is homemaking, maintaining the upkeep of her home and tending to household affairs; often, such a woman whose sole [unpaid] employment is homemaking. 

  • The wife of a householder; the mistress of a family; the female head of a household. 

  • A little case or bag for materials used in sewing, and for other articles of female work. 

servant

noun
  • One who is hired to perform regular household or other duties, and receives compensation. As opposed to a slave. 

  • A person of low condition or spirit. 

  • One who serves another, providing help in some manner. 

  • A person who dedicates themselves to God. 

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