daughter vs prioress

daughter

noun
  • A familiar address to a female person from an older or otherwise more authoritative person. 

  • A daughter language. 

  • One’s female offspring. 

  • A nuclide left over from radioactive decay. 

  • A female character of a creator. 

  • A female descendant. 

  • A descendant. 

prioress

noun
  • A nun in charge of a priory (usually lower in rank than an abbess); mother superior. 

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