ayubowan vs cheerio

ayubowan

intj
  • Salutation wishing the recipient a long life, typically as a greeting or a goodbye. 

cheerio

intj
  • Hello; a greeting. 

  • Goodbye, an interjection said upon parting. 

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

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