dry cleaner vs maid

dry cleaner

noun
  • A person whose business is the dry cleaning of clothes and other fabrics. 

  • A business establishment that engages in the dry cleaning of clothes and other fabrics. 

maid

noun
  • A female servant or cleaner (short for maidservant). 

  • A girl or an unmarried young woman; maiden. 

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