Sister vs personification

Sister

noun
  • Title of respect for an adult female member of a fraternal/sororal organization, or comrade in a movement, or even a stranger using fictive kin. 

  • A title used to personify or respectfully refer to concepts or animals. 

  • Title of respect for an adult female member of a religious order. 

personification

noun
  • An artistic representation of an abstract quality as a human 

  • A person, thing or name typifying a certain quality or idea; an embodiment or exemplification. 

  • A literary device in which an inanimate object or an idea is given human qualities. 

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