cathedral vs hegumen

cathedral

noun
  • The principal church of an archbishop's/bishop's archdiocese/diocese which contains an episcopal throne. 

  • A large or important church building. 

  • A large, impressive, lofty, and/or important building or place of some other kind. 

  • A large buttressed structure built by certain termites. 

adj
  • Relating to the throne or the see of a bishop. 

name
  • In certain right-wing conspiracy theories, the mainstream system or establishment of society, held to be liberal or leftist and to be working against the interests of the people or nation, which is both. 

hegumen

noun
  • The head of a monastery of the Eastern Orthodox Church or Eastern Catholic Churches. 

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