minster vs synagogue

minster

noun
  • A monastic church. 

  • A cathedral church without any monastic connection. 

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 minster and synagogue occurred in a corpus of books? (source: Google Ngram Viewer )