riotous vs wassailing

riotous

adj
  • Having the characteristics of a riot. 

  • Unrestrained and boisterous; degenerate or dissolute. 

  • Causing, inciting or taking part in a riot. 

wassailing

noun
  • The act of performing a wassail. 

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