nursemaid vs nurserymaid

nursemaid

noun

  • A woman or girl employed to care for children. 

verb

  • To care for or look after. 

  • To tend to as a nursemaid. 

nurserymaid

noun

  • nursemaid 

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