excommunicate vs repudiate

excommunicate

verb
  • To exclude from any other group; to banish. 

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

adj
  • Excommunicated. 

noun
  • An excommunicated person. 

repudiate

verb
  • To refuse to have anything to do with; to disown. 

  • To be repudiated. 

  • To reject the truth or validity of; to deny. 

  • To refuse to pay or honor (a debt). 

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