Ms. vs mister

Ms.

mister

noun
  • A device that makes or sprays mist. 

  • A title conferred on an adult male, usually when the name is unknown. Also used as a term of address, often by a parent to a young child. 

verb
  • To address by the title of "mister". 

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