conventicle vs get-together

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. 

get-together

noun

  • A meeting or gathering. 

  • A party or social function. 

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