episcopal vs parochial

episcopal

adj
  • Of or relating to the affairs of a bishop in various Christian churches. 

parochial

adj
  • Pertaining to a parish. 

  • Characterized by an unsophisticated focus on local concerns to the exclusion of wider contexts; elementary in scope or outlook. 

noun
  • A parochial individual. 

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