she vs who

she

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. 

noun
  • A female. 

det
  • Synonym of her 

who

pron
  • With antecedent as object: whom. 

  • With antecedent as subject. 

  • What person or people; which person or people; asks for the identity of someone; used in a direct or indirect question. 

  • Whoever, he who, they who. 

noun
  • A person under discussion; a question of which person. 

det
  • whose 

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