excommunicate vs unchurch

excommunicate

verb
  • To officially exclude someone from membership of a church or religious community. 

  • To exclude from any other group; to banish. 

noun
  • An excommunicated person. 

adj
  • Excommunicated. 

unchurch

verb
  • To expel from membership of a congregation or church; to excommunicate. 

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