ecclesiast vs parson

ecclesiast

noun
  • A cleric; someone (such as a priest) who administers a church (ecclesia) or other religious gathering/group. 

  • A member of the Athenian ecclesia (public legislative assembly). 

  • A member of any ecclesia (church or other assembly). 

parson

noun
  • An Anglican cleric having full legal control of a parish under ecclesiastical law; a rector. 

  • A Protestant minister. 

  • A Roman Catholic priest of an independent parish church. 

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