dry cleaner vs scullery 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. 

scullery maid

noun
  • A domestic servant, of lowest status, whose job is to wash dishes and do other menial chores. 

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