appellate court vs assizes

appellate court

noun
  • A court having jurisdiction to hear appeals and review a lower court's decisions. 

assizes

noun
  • A trial or hearing before such a court. 

  • The regional courts of Great Britain, which were replaced by the Crown Courts in 1971. 

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