Observant vs respectable

Observant

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

respectable

noun
  • A person who is respectable. 

adj
  • Deserving respect. 

  • Decent; satisfactory. 

  • Moderately well-to-do. 

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