canons vs profession of faith

canons

profession of faith

noun
  • A creed; a (typically formulaic) statement of the beliefs of one's religion, often recited during public prayers or liturgies. 

  • A formulaic declaration asserting the orthodoxy of one's beliefs, usually made at baptism, entry into a particular Church, or upon the acceptance of an ecclesial office, and typically including the recitation of a creed. 

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