cheerio vs good morrow

cheerio

noun
  • A small saveloy often consumed with tomato sauce at parties. 

intj
  • Goodbye, an interjection said upon parting. 

  • Hello; a greeting. 

good morrow

noun
  • A greeting consisting of the interjection. 

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