chancel vs synagogue

chancel

noun
  • The space around the altar in a church, often enclosed, for use by the clergy and the choir. In medieval cathedrals the chancel was usually enclosed or blocked off from the nave by an altar screen. 

synagogue

noun
  • A congregation of Jews or Samaritans for the purpose of worship or religious study. 

  • A place of worship for Jews or Samaritans. 

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