briefing vs sederunt

briefing

noun
  • A presentation of information or instruction; the meeting at which it is presented. 

  • A short and concise summary of a situation. 

sederunt

noun
  • Those people present at such a meeting. 

  • A formal meeting, especially of a judicial or ecclesiastical body. 

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