Capuchin vs diocesan

Capuchin

noun

  • A member of an order of Roman Catholic friars. 

diocesan

noun

  • An inhabitant of a diocese. 

  • The bishop of a diocese. 

adj

  • Pertaining to a diocese. 

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