communion vs condolences

communion

noun
  • A joining together of minds or spirits; a mental connection. 

  • A form of ecclesiastical unity between the Roman Church and another, so that the latter is considered part of the former. 

  • Holy Communion. 

condolences

noun
  • comfort, support, or sympathy offered especially to the family and friends of somebody who has died. 

intj
  • Expressing sympathy to someone, especially after learning of a close death. 

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