cross-examination vs debriefing

cross-examination

noun
  • The interrogation or questioning of a witness by the party against whom they have been called and examined, in an attempt to prove or reveal something false or untold during direct examination. 

  • Any intense period of questioning, especially if hostile. 

debriefing

noun
  • The act of debriefing, or the state of being debriefed. 

  • The report of a mission or project, or the information so obtained. 

How often have the words cross-examination and debriefing occurred in a corpus of books? (source: Google Ngram Viewer )