scullery maid vs skivvy

scullery maid

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

skivvy

verb
  • To perform menial work; to do chores, like a servant. 

noun
  • A prostitute. 

  • A close-fitting, long-sleeved T-shirt with a rolled collar. 

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