housemaid vs worker

housemaid

noun
  • A female domestic worker attached to the non-servant quarter part of the house, as opposed to a scullery maid. 

  • A housewife. 

verb
  • To be a housemaid. 

  • To wait on someone hand on foot, to watch them. 

worker

noun
  • A person who performs labor for a living, especially manual labor. 

  • A nonreproductive social insect, such as ant, bee, termite, or wasp. 

  • A female ant, bee, termite or wasp. 

  • A thread performing one instance of a particular task within a program. 

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