Ms vs she

Ms

noun
  • Title used before an adult woman's name or surname, especially when it is not desired or possible to indicate her marital status with Miss or Mrs. 

she

noun
  • A female. 

pron
  • A person whose gender is unknown or irrelevant (used in a work, along with or in place of he, as an indefinite pronoun). 

  • The female (typically) person or animal previously mentioned or implied. 

  • A ship or boat. 

det
  • Synonym of her 

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