Observant vs literate

Observant

noun
  • A member of a Franciscan order that strictly observes the rules of St. Francis. 

literate

noun
  • A person who was educated but had not taken a university degree; especially a candidate to take holy orders. 

  • A person who is able to read and write. 

adj
  • Which is used in writing (of a language or dialect). 

  • Able to read and write; having literacy. 

  • Knowledgeable in literature, writing; literary; well-read. 

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