Observant vs particularity

Observant

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

particularity

noun
  • The doctrine of the incarnation of God as Jesus occurring at a particular place and time. 

  • A particular thing. 

  • A distinctive characteristic or quality; a peculiarity. 

  • Attention to detail; fastidiousness. 

  • The condition of being particular rather than general or universal; specificity. 

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