conventicle vs council

conventicle

noun
  • The place where such a meeting is held. 

  • A secret, unauthorized or illegal religious meeting. 

  • A Quaker meetinghouse. 

verb
  • To hold a secret, unauthorized or illegal religious meeting. 

council

noun
  • A committee that leads or governs (e.g. city council, student council). 

  • Discussion or deliberation. 

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